"Blue Star was made by Tokyo Electric Co., Ltd., Japan, which is a sister company of Toshiba.
An early model (in black and color) was sold by Nippon Jimuki Co., Ltd. in 1951. This model was a copy of a Original-Odhner machine.
Later, Toshiba Business Machine Co., Ltd. sold the machines under the name "Toshiba"."
from: K.Kadokura
literature and links:
Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines
| principle | pinwheel | ||
| capacity | 10 x 11 x 20 |
||
| input | cursors, rotating | ||
| production years | from 1951 | ||
| machines built | |||
| features | back transfer | ||
| known s/n | 12.201 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
| principle | pinwheel | ||
| capacity |
10 (w/o cr) x 8 (w tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | |||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | |||
| for bigger and more pictures, click on the picture |
source: J.McDermaid
| principle | pinwheel | ||
| capacity | 10 x 11 x 20 |
||
| input | cursors, rotating | ||
| production years | 196x | ||
| machines built | |||
| features | back transfer | ||
| known s/n | 743.162 | ||
| for bigger and more pictures, click on the picture |
source: Y.Watanabe / Atelier yuuji
Manufacturer: S.A.M.C., Milano, Italy
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| production years | ??? | ||
| machines built | |||
| features | |||
| known s/n | 4-6336-VI | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
| principle | pinwheel | ||
| capacity | 12 x 11 x 22 |
||
| input | cursors, rotating | ||
| production years | ??? | ||
| machines built | |||
| features | back transfer | ||
| known s/n | |||
| for bigger and more pictures, click on the picture |
source: R.Rehbein
| principle | pinwheel | ||
| capacity |
10 (w/o cr) x 8 (w tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | |||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | 4-30.606-I | ||
| for bigger and more pictures, click on the picture |
source: P.Martinez Diaz
Manufacturer: Corona Calculator Co.
literature and links:
Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines
| principle | pin wheel | ||
| capacity | 10 x 10 x 20 |
||
| input | cursors, rotating | ||
| production years | 195x | ||
| machines built | |||
| features | |||
| known s/n | |||
| for bigger and more pictures, click on the picture |
source: Y.Watanabe / Atelier yuuji
Manufacturer: Deep Red Star Factory, Tianjin City, China
| principle | ratchet (geared wheel) | ||
| capacity | 10 x 10 x 20 |
||
| input | cursors, non-rotating | ||
| production years | ??? | ||
| machines built | |||
| features | back transfer | ||
| copy of Tiger renjyou 20 | |||
| known s/n | 13,072, 13,402 | ||
| for bigger and more pictures, click on the picture |
source: Y.Watanabe / Atelier yuuji
Manufacturer: S.A. Serio, Crema, Italy
| principle | divided pinwheel | ||
| capacity |
9 (w cr) x 8 (w tc) x 13 |
||
| input | 10 keyboard | ||
| prod. years | since 1970 | ||
| mach. built | |||
| features | Facit system | ||
| dimensions | 28 x 18.5 x 13.5 cm | ||
| weight | 4.5 kg | ||
| known s/n | 29.667, 283.774 | ||
| for bigger and more pictures, click on the picture |
source: Greifswald
| principle | divided pinwheel | ||
| capacity |
9 (w cr) x 8 (w tc) x 13 |
||
| input | 10 keyboard | ||
| prod. years | since 1952 | ||
| mach. built | |||
| features | Facit system | ||
| dimensions | 33 x 20 x 16 cm | ||
| weight | 6.5 kg | ||
| known s/n | 30.000 - 40.000, 52.681 | ||
| for bigger and more pictures, click on the picture |
source: RR.Chirico
| principle | divided pinwheel | ||
| capacity |
9 (w cr) x 8 (w tc) x 13 |
||
| input | 10 keyboard | ||
| prod. years | since 1952 | ||
| mach. built | |||
| features | Facit system, back transfer | ||
| dimensions | 33 x 20 x 16 cm | ||
| weight | 7 kg | ||
| known s/n | 2.701.327, 2.701.604 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
| principle | divided pinwheel | ||
| capacity | 10 (w cr) x 9 (w tc) x 17 |
||
| input | 10 keyboard | ||
| prod. years | 1954 - 1965 | ||
| mach. built | |||
| features | split option in result register, back transfer | ||
| dimensions | 20 x 38 x 16 cm | ||
| weight | 8 kg | ||
| known s/n | 303.531 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
| principle | pin storage | ||
| capacity | 10 x x 11 |
||
| input | 10 keyboard | ||
| prod. years | 1958 - 1959 | ||
| mach. built | |||
| features | 3 species, dial wheel for multiplication | ||
| dimensions | 23 x 36 x 19 cm | ||
| weight | 12 kg | ||
| known s/n | |||
| for bigger and more pictures, click on the picture | |||
| source: A.Celli |
data from Rechnerlexikon.de
Contarapid (M4)
| principle | pin storage | ||
| capacity | 10 x x 11 |
||
| input | 10 keyboard | ||
| prod. years | 1958 - 1962 | ||
| mach. built | |||
| features | 4 species, dial wheel for multiplication | ||
| dimensions | 23 x 36 x 19 cm | ||
| weight | 12 kg | ||
| known s/n | |||
| for bigger and more pictures, click on the picture | |||
| source: Goldlocke |
data from Rechnerlexikon.de
Manufacturer: Heinrich Diehl, Nürnberg, Germany
literature and links:
Martin Reese: "Neue Blicke auf alte Maschinen" , page 23 ff
| principle | stepped drum | ||
| capacity |
8 (w/o cr) x 7 (w tc) x 15 |
||
| input | full keyboard | ||
| prod. years | ca. 1955 | ||
| mach. built | |||
| features | electric | ||
| dimensions | |||
| weight | 12 kg | ||
| known s/n | 39,811 | ||
| for bigger and more pictures, click on the picture | |||
| source: A.Devaux |
| principle | stepped drum | ||
| capacity |
9 (w/o cr) x 9 (w tc) x 18 also 8 (w/o cr) x 7 (w tc) x 15 |
||
| input | full keyboard | ||
| prod. years | ca. 1960 | ||
| mach. built | |||
| features | electric, buttons for shortened multiplication, automatic division | ||
| dimensions | 47 x 36 x 19 cm | ||
| weight | 16 kg | ||
| known s/n | 21,895, 249,158 | ||
| for bigger and more pictures, click on the picture | |||
| source: H.Schneemann |
| principle | stepped drum | ||
| capacity |
9 (w/o cr) x 9 (w tc) x 18 also 8 (w/o cr) x 7 (w tc) x 15 |
||
| input | full keyboard | ||
| prod. years | 1960 - 1963 | ||
| mach. built | |||
| features | electric, full automatic, back transfer | ||
| dimensions | 48 x 40 x 20 cm | ||
| weight | 14 kg | ||
| known s/n | 1,154,551 | ||
| for bigger and more pictures, click on the picture | |||
| source: A.Devaux |
construction: R.Eggebrecht, R.Steinmeyer, A.Mitschnabel, K.Kollmann
| principle | pin wheel, add.segment | ||
| capacity |
12 (w/o cr) x 8 (w tc) x 16 |
||
| input | 10 keyboard | ||
| prod. years | 1963 - 1966 | ||
| mach. built | |||
| features | electric, printing, full automatic, 2 add. register | ||
| dimensions | 29 x 45 x 22 cm | ||
| weight | 18 kg | ||
| known s/n | 21100950 | ||
| for bigger and more pictures, click on the picture | |||
| source: E.Anthes |
sold as Marchant 416 S in the US
| principle | pin wheel, add.segment | ||
| capacity |
12 (w/o cr) x 8 (w tc) x 16 |
||
| input | 10 keyboard | ||
| prod. years | 1963 - 1967 | ||
| mach. built | |||
| features | electric, printing, full automatic, 2 add. register | ||
| dimensions | 30 x 45 x 22 cm | ||
| weight | 19 kg | ||
| known s/n | 22128547 | ||
| for bigger and more pictures, click on the picture | |||
| source: E.Anthes |
sold as Marchant 316 in the US
| principle | pin wheel, add.segment | ||
| capacity |
12 (w/o cr) x 8 (w tc) x 16 |
||
| input | 10 keyboard | ||
| prod. years | 1965 - 1970 | ||
| mach. built | |||
| features | electric, printing, full automatic, memory register | ||
| dimensions | 29 x 45 x 22 cm | ||
| weight | 18 kg | ||
| known s/n | 23153807 | ||
| for bigger and more pictures, click on the picture | |||
| source: E.Anthes |
| principle | pin wheel, add.segment | ||
| capacity |
10 (w/o cr) x 7 (w tc) x 12 |
||
| input | 10 keyboard | ||
| prod. years | 1967 - 1970 | ||
| mach. built | |||
| features | electric, printing, full automatic, printer register | ||
| dimensions | 29 x 45 x 22 cm | ||
| weight | 14 kg | ||
| known s/n | 24156677 | ||
| for bigger and more pictures, click on the picture | |||
| source: E.Anthes |
Manufacturer: Komet-Rechenmaschinenfabrik Siegfr. Link, Griesheim/Hessen
| principle | tooth wheel | ||
| capacity |
8 (w cr) x x 8 |
||
| input | stylus | ||
| prod. years | 1952 - 1955 | ||
| mach. built | |||
| features | 2-species | ||
| dimensions | 15 x 16 x 12 cm | ||
| weight | 2 kg | ||
| known s/n | 2/2213 | ||
| for bigger and more pictures, click on the picture | |||
| source: H.Schneemann |
| principle | divided stepped drum | ||
| capacity |
10 (w/o cr) x 8 (w tc) x 18 |
||
| input | full keyboard | ||
| prod. years | 1952 - 1955 | ||
| mach. built | |||
| features | |||
| dimensions | 30 x 42 x 18 cm | ||
| weight | 10 kg | ||
| known s/n | 08/55/0387 | ||
| for bigger and more pictures, click on the picture | |||
| source: F.Pehmer |
also produced / marketed by Brunsviga as 90 T / TA
| principle | tooth bar | ||
| capacity |
8 (w cr) x x 9 |
||
| input | full keyboard | ||
| prod. years | 1952 - 1955 | ||
| mach. built | |||
| features | |||
| dimensions | 24 x 27 x 15 cm | ||
| weight | 3.5 kg | ||
| known s/n | 53.465 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Manufacturer: Esacta S.r.I., Milano, Italy
| principle | pinwheel | ||
| capacity | 10 x 11 x 21 |
||
| input | cursors, rotating | ||
| production years | since 1953 | ||
| machines built | |||
| features | split result register | ||
| back transfer | |||
| known s/n | 8.328 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Manufacturer: Paul G. Müller / Summira KG, Roisdorf/Bonn, Germany
see also Summira X
| principle | tooth segment | ||
| capacity |
7 x x 7 |
||
| input | finger | ||
| prod. years | 1956 - 1961 | ||
| mach. built | |||
| features | 2 species, printer | ||
| dimensions | 19 x 29 x 16 cm | ||
| weight | 4 kg | ||
| known s/n |
low: 29.650 high: 68.531 |
||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
| principle | tooth segment | ||
| capacity |
7 x x 7 |
||
| input | finger | ||
| prod. years | ca. 1963 | ||
| mach. built | |||
| features | version for british currency | ||
| dimensions | 15 x 17 x 13 cm | ||
| weight | 1.2 kg | ||
| known s/n |
|
||
| for bigger and more pictures, click on the picture | |||
| source: van Noort |
Manufacturer: Norske Stansefabrik, Lillesand, Norway
| principle | oscillating adapt. segments | ||
| capacity | 6 (w cr) x 6 (w tc) x 11 |
||
| input | thumb wheels | ||
| prod. years | ca. 1953 - 1960 | ||
| mach. built | ca. 750 - 1000 | ||
| features | back transfer | ||
| dimensions | 20 x 11 x 7 cm | ||
| weight | 1.5 kg | ||
| known s/n | 61.128, 64.448, 64.508, 74 068, 92.239 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Manufacturer: ????
distributor: Steiner Calculator, Milan, Italy ??
identical to "Helios" but with clearance cranks instead of arms. System "Marchant XL"
| principle | adapting segment | ||
| capacity |
10 x 8 x 13 |
||
| input | cursors, non rotating | ||
| prod. years | around 1955 | ||
| mach. built | |||
| features | |||
| dimensions | 40 x 16 x 15 cm | ||
| weight | 5.3 kg | ||
| known s/n | 16.491, 17.787 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Manufacturer: Mecanica Modern A.S.A., Mexico
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| production years | around 1955 | ||
| machines built | |||
| features | similar to Addo Multo 03 | ||
| known s/n | B 4.098, 12.133, 12.202 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Manufacturer: ????, Spain
| principle | pin wheel | ||
| capacity | 10 (w cr) x 8 (w/o tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | around 1955 | ||
| mach. built | |||
| features | |||
| dimensions | 32 x 18 x 13 cm | ||
| weight | 5 kg | ||
| known s/n | 164.410, 166.535 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Manufacturer: ????, France, identical to Iris
| principle | pin wheel | ||
| capacity | 10 (w cr) x 8 (w/o tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | around 1959 | ||
| mach. built | |||
| features | back transfer | ||
| dimensions | 32 x 17 x 14 cm | ||
| weight | 5 kg | ||
| known s/n | 161.766, 164.992 | ||
| for bigger and more pictures, click on the picture | |||
| source: A.Devaux |
Manufacturer: Elettro Meccanotechnica Italo-Svizzera, Lomazzo (I)
| principle | pin wheel | ||
| capacity | 10 (w cr) x x 13 |
||
| input | 10 key | ||
| prod. years | 1956 - 1959 | ||
| mach. built | |||
| features | back transfer | ||
| dimensions | 39 x 24 x 17 cm | ||
| weight | 12 kg | ||
| known s/n | 13.732 | ||
| price | DM 795,- (1959) | ||
| for bigger and more pictures, click on the picture | |||
| source: Collezione Montissiolo |
Manufacturer: Addimult-Rechenmaschinenfabrik Hans W. Kübler, Bad Harzburg, Germany
| principle | |||
| capacity | 7 (w cr) x x 8 |
||
| input | cursors, non-rotating | ||
| prod. years | around 1956 | ||
| mach. built | |||
| features | 2 species | ||
| dimensions | 20 x 30 x 15 cm | ||
| weight | 4 kg | ||
| known s/n | 10.145, 10.187, 10.220 | ||
| for bigger and more pictures, click on the picture |
source: D.Langen
Manufacturer: Industria Macchine Calcolatrici e Affini, Milano, Italy
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| prod. years | since 1957 | ||
| mach. built | |||
| features | some models with back transfer | ||
| dimensions | 37 x 14 x 13 cm | ||
| weight | 5 kg | ||
| known s/n | 2.392, 2.595, 3.276, 15.781 | ||
| for bigger and more pictures, click on the picture |
source: R.Rehbein
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| production years | since 1957 | ||
| machines built | |||
| features | identical to Imca | ||
| known s/n | 33.516 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Dimm was also marketed under the name Ropel
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| production years | since 1958 | ||
| machines built | |||
| features | back transfer | ||
| known s/n | 13.379, 17.581 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
technical identical with Dimm and Ropel
| principle | pinwheel | ||
| capacity | 10 (w cr) x 8 (w/o tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | ca. 1958 | ||
| mach. built | |||
| features | back transfer, means to input a constant | ||
| dimensions | 37 x 14 x 14 cm | ||
| weight | 6 kg | ||
| known s/n | 17 160 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Manufacturer: Fàbricia de Articulos Mecanicos para Oficina, Barcelona, Spain
Famosa, user manual (in Spanish,
3 MB)
| principle | pinwheel | ||
| capacity | 10 x 8 x 13 |
||
| input | cursors, rotating | ||
| prod. years | around 1958 | ||
| mach. built | |||
| features | back transfer | ||
| dimensions | 36 x 15 x 14 cm | ||
| weight | 6 kg | ||
| known s/n | 18.464, 22.792 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
technical identical with Famosa
| principle | pinwheel | ||
| capacity | 10 (w cr) x 8 (w/o tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | around 1958 | ||
| mach. built | |||
| features | |||
| dimensions | 35 x 16 x 14 cm | ||
| weight | 6 kg | ||
| known s/n | 22.132 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
technical identical with Famosa
| principle | pinwheel | ||
| capacity | 10 (w cr) x 11 (w tc) x 20 |
||
| input | cursors, rotating | ||
| prod. years | around 1958 | ||
| mach. built | |||
| features | back transfer | ||
| dimensions | 43 x 15 x 14 cm | ||
| weight | 7 kg | ||
| known s/n | 20.266 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Manufacturer: Pearl Engraving Co. New York (USA)
| principle | tooth segment | ||
| capacity | 8 (w/o cr) x x 8 |
||
| input | finger pads | ||
| prod. years | from 1959 | ||
| mach. built | |||
| features | 1 species | ||
| dimensions | 16 x 18 x 14 cm | ||
| weight | 1 kg | ||
| known s/n | |||
| for bigger and more pictures, click on the picture |
source: L.Koelewijn
Manufacturer: Zaklady Metalowe, Skarzysko (PL)
| principle | divided pinwheel | ||
| capacity | 10 (w cr) x 10 (w tc) x 19 |
||
| input | 10 keyboard | ||
| prod. years | late 60ties | ||
| mach. built | |||
| features | Facit license | ||
| dimensions | 45 x 23 x 16 cm | ||
| weight | 8.5 kg | ||
| known s/n | 35.530 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
| principle | divided pinwheel | ||
| capacity | 9 (w cr) x 8 (w tc) x 13 |
||
| input | 10 keyboard | ||
| prod. years | 1976 | ||
| mach. built | |||
| features | Facit license | ||
| dimensions | |||
| weight | |||
| known s/n | 220.766 | ||
| for bigger and more pictures, click on the picture |
source: B.Skinner
Manufacturer: Industria Calculadores Espanolas S.L., Barcelona (E)
| principle | pinwheel | ||
| capacity | 10 (w cr) x 8 (w tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | 1960 | ||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | 170.233 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Manufacturer: Alpina Werk, Kaufbeuren (D)
Literature and links:
Reese, M.: "Die Geschichte der Alpina-Werke" in: Histor.Bürowelt Nr. 42 (1995) (IFHB)
Reese,M.: Neue Blicke auf alte Maschinen (2002) (IFHB)
| principle | pinwheel | ||
| capacity | 8 x 6 x 13 |
||
| input | thumbwheels | ||
| production years | 1961 & 1969 -71 | ||
| machines built | ca. 6.000 | ||
| features | light and very flat | ||
| known s/n | 1.000 - 6.840 | ||
| for bigger and more pictures, click on the picture |
"PILOT is a famous Japanese stationary goods manufacturer and distributor. PILOT merged Keybar and re-named it PILOT Jimuki (business machine) Co. Ltd. PILOT stopped its business of mechanical calculators around 1969."
from: K.Kadokura
literature and links:
Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines
| principle | pinwheel | ||
| capacity | 7 (w cr) x 6 (w tc) x 12 |
||
| input | cursors, rotating | ||
| prod. years | around 1961 | ||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | |||
| for bigger and more pictures, click on the picture |
source: R.Register
| principle | pinwheel | ||
| capacity | 8 (w cr) x 7 (w tc) x 12 |
||
| input | cursors, rotating | ||
| prod. years | around 1967 | ||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | 3.011.969, 3.023.070 | ||
| for bigger and more pictures, click on the picture |
source: Y.Watanabe / Atelier yuuji
Manufacturer: Simex: Societe Industrielle Metaux Manufacture S.A., Nyon (Suisse)
also manufactured under license in France
| principle | tooth wheel | ||
| capacity | 7 x x 7 |
||
| input | finger pads | ||
| prod. years | around 1962 | ||
| mach. built | |||
| features | |||
| dimensions | 20 x 26 x 15 cm | ||
| weight | 1.6 kg | ||
| known s/n | |||
| price | SFr 52.50 (1962) | ||
| for bigger and more pictures, click on the picture | |||
| source: van Noort |
Manufacturer: Electro Murus, Tirgu-Murus (Rumänien)
probably named after the Hungarian mathematician Fargas Bolyai (1775-1856)
identical to Odhner model 7
| principle | pinwheel | ||
| capacity | 10 (w/o cr) x 8 (w/o tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | around 1964 | ||
| mach. built | |||
| features | |||
| dimensions | 34 x 16 x 12 cm | ||
| weight | 5.5 kg | ||
| known s/n | 15.311 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Manufacturer: Tvornica Racunskih Strojeva, Zagreb (YU)
| principle | pinwheel | ||
| capacity | 9 x 8 x 13 |
||
| input | cursors, non-rotating | ||
| production years | 1972 - 1977 | ||
| machines built | |||
| features | |||
| known s/n | 313.805 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
Calcorex machines were sold in Germany under the label "Kling" in the late 60ties
| principle | pinwheel | ||
| capacity | 9 x 8 x 13 |
||
| input | cursors, rotating | ||
| production years | from 1965 | ||
| machines built | |||
| features | back transfer | ||
| known s/n | 68.994 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
simple version of the Calcorex
| principle | pinwheel | ||
| capacity | 9 (w cr) x 8 (w tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | |||
| mach. built | |||
| features | |||
| dimensions | 36.5 x 17 x 14 cm | ||
| weight | 5 kg | ||
| known s/n | 21.730, 41.755 | ||
| for bigger and more pictures, click on the picture |
source: HJ.Denker
| principle | pinwheel | ||
| capacity | 9 (w cr) x 8 (w tc) x 13 |
||
| input | cursors, rotating | ||
| prod. years | |||
| mach. built | |||
| features | |||
| dimensions | |||
| weight | |||
| known s/n | 4.582 | ||
| for bigger and more pictures, click on the picture | |||
| source: HJ.Denker |
Neckermann-Haushaltskalkulator (1970)
Manufacturer: Japan
Distributor: Neckermann (D)
identical to Solo and Chadwick
| principle | tooth wheel | ||
| capacity | 7 (w/o cr) x x 7 |
||
| input | finger pads | ||
| prod. years | |||
| mach. built | |||
| features | |||
| dimensions | 22 x 9 x 9 cm | ||
| weight | 250 g | ||
| known s/n | |||
| for bigger and more pictures, click on the picture | |||
| source: H.Schneemann |
Manufacturer: Factory of Calculators and Typewriter of Shanghai, China
| principle | stepped drum | ||
| capacity | 10 (w/o cr) x 10 (w tc) x 20 |
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| input | full keyboard | ||
| prod. years | |||
| mach. built | |||
| features | looks like a Monroe clone | ||
| dimensions | |||
| weight | |||
| known s/n | 584,131, 685,491 | ||
| for bigger and more pictures, click on the picture | |||
| source: Wang Weijun |
last updated: 15-Apr-12