Blue Star (1951)

 

"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

 

 

 

Toshiba 20-TC

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

 

 

 

Sigma (1951)

Manufacturer: S.A.M.C., Milano, Italy 

 

Model 51-SV

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

 

 

 

Model 51 LVR

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

 

 

 

Model 52

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

 

 

 

Corona (1952)

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

 

 

 

 

Wen Hua (1952)

Manufacturer: Deep Red Star Factory, Tianjin City, China 

 

model BSL-201

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

 

 

 

Everest (1952)

Manufacturer: S.A. Serio, Milano, Italy 

 

model Z4

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

 

 

model Z5

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

 

 

 

model Z5R

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

 

 

 

Multarapid

principle  pin storage

capacity 

 10 x x 11 

input  10 keyboard
prod. years  1958 - 1962
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: Goldlocke

data from Rechnerlexikon.de

 

 

 

 

Diehl (1952)

Manufacturer: Heinrich Diehl, Nürnberg, Germany

 

literature and links:

 Martin Reese:  "Neue Blicke auf alte Maschinen"  , page 23 ff

 

 

model E

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

 

 

 

model EvM

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

 

 

 

model VR

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

 

 

 

Esacta (1953)

Manufacturer: Esacta S.r.I., Milano, Italy 

 

model 21

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

 

 

 

 

Summira (1953)

Manufacturer: Paul G. Müller / Summira KG, Roisdorf/Bonn, Germany 

see also Summira X

 

Summira S-7

principle  segment

capacity 

 7 x  x 7 

input  finger
prod. years  ca.1960
mach. built  
features  2 species, printer
dimensions  19 x 29 x 16 cm
weight  4 kg
known s/n  45.454, 64.192
    
for bigger and more pictures, click on the picture   

 

                                                                                        source: HJ.Denker

 

 

 

Multifix (1953)

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

 

 

 

Rooy (1955)

Manufacturer: 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

 

 

 

Jion (1955)

Manufacturer: Mecanica Modern A.S.A., Mexico 

 

model B

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

 

 

 

Iris (1955)

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

 

 

 

Select (1959)

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

 

 

 

Addimult  (1956)

Manufacturer: Addimult-Rechenmaschinenfabrik Hans W. Kübler, Bad Harzburg, Germany

 

Ziffrex 7

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