Torpedo-Schnelladdiermaschine (1933)

Martin (US), page  - 

Martin (Dtsch), pages 460 - 461

 

"Nine digit adding maschine from the Torpedo-Werke A.G., Frankfurt a. Main. The machine works without an actuator, i.e. pressing the number keys directly reflects in the result. Subtraction is done by using the complement numbers."

 

principle  rocker arm

capacity 

 9 x x 9

input  half keyboard
prod. years  from 1933 
mach. built  
features  1-species
dimensions  23 x 15 x 11 cm
weight  2.5 kg
known s/n  5.990, 7.282, 16.175
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: XSibirian_HuskyX

 

 

 

Friden (1934)

Manufacturer: Friden Calculating Machine Company, San Leandro, USA

 

designer: Carl Friden (1891 - 1945)

 

From Wikipedia

Carl Friden (April 11, 1891-April 29, 1945) was a Swedish born American mechanical engineer and businessman who founded the Friden Calculating Machine Company (Friden, Inc.) in San Leandro, California in 1934. Prior to founding his own company, Friden had been a chief designer for the Marchant Calculating Machine Co. of Oakland His machines were robust and quickly became popular.

Friden's company introduced a calculator that included a square root function in 1952, then went on in 1963 to introduce the model EC-130, the fully transistorized electronic calculator. In 1965 the company was purchased by the Singer Corporation.

 

 

Literature and links:

 

Martin Reese  "Neue Blicke auf alte Maschinen"   (page 39 ff.)  (IFHB)

 

Friden D

principle  stepped drum

capacity 

 10 (w/o cr) x 11 (w tc) x 21

 also

 8 (w/o cr) x 9 (w tc) x 16

input  full keyboard
prod. years  1940 - 1949
mach. built  
features  electric, semi-automat, full automatic division
dimensions  46 x 37 x 23 cm
weight  
known s/n  206,001 - 225,450
    
for bigger and more pictures, click on the picture   
      source: A.Devaux

 

 

 

Friden H

principle  twin divided stepped drum

for bigger and more pictures, click on the picture 

  capacity 

 8 (w/o cr) x 9 (w tc) x 16

input  full keyboard
prod. years  1936 - 1952
mach. built  
features  
dimensions  42 x 36 x 22 cm
weight  13 kg
known s/n  51.909
    
for bigger and more pictures, click on the picture   
      source: E.Anthes

 

 

 

 

Friden S

principle  twin stepped drum

for bigger and more pictures, click on the picture 

  capacity 

   8 (w/o cr) x 9 (w tc) x 17  also

 10 (w/o cr) x 11 (w t/c) x 21 

input  full keyboard
prod. years  ca. 1940
mach. built  
features  electric, full-automat, sep. input of mult. factor
dimensions  
weight  
known s/n  104,952
    
for bigger and more pictures, click on the picture   
      source: R.Chirico

 

 

 

 

Friden SBT

principle  stepped drum

capacity 

 10 (w/o cr) x 11 (w tc) x 20

input  full keyboard
prod. years  ca. 1959 - 1965
mach. built  
features  electric, full-automat, back transfer
dimensions  46 x 37 x 23 cm
weight  19 kg
known s/n  933,611.J.J
    
for bigger and more pictures, click on the picture   
       source: A.Devaux

 

 

 

 

Friden SRW

using a modified Toepler method for calculation of the square root

Reese, Lange, Anthes: Der Friden Wurzelautomat, in: Beiträge zur Geschichte der mech. Rechenmaschinen. Grüne Reihe der Päd.Hochschule Ludwigsburg (1998)

principle  stepped drum

capacity 

 10 (w/o cr) x 11 (w tc) x 20

input  full keyboard
prod. years  1952 - 1966
mach. built  9,500
features  electric, full-automatic square root
dimensions  46 x 37 x 23 cm
weight  19 kg
known s/n

 875,001 - 884,490

 10,878,705A, 10,811,827JJ

    
for bigger and more pictures, click on the picture   
      source: A.Devaux

 

 

 

Friden ST

principle  stepped drum

capacity 

 10 (w/o cr) x 11 (w tc) x 20

input  full keyboard
prod. years  1940 - 1950
mach. built  
features  electric
dimensions  
weight  
known s/n  107,776 - 208,148
    
for bigger and more pictures, click on the picture   
      source: A.Devaux

                                                                                                                       

 

 

 

Friden STW

principle  stepped drum

capacity 

 10 (w/o cr) x 11 (w tc) x 20

input  full keyboard
prod. years  ca. 1949 - 1966
mach. built  
features  electric, full-automat
dimensions  46 x 37 x 23 cm
weight  18 kg
known s/n  462,275, 642,417
    
for bigger and more pictures, click on the picture   
      source: A.Devaux

 

 

 

 

Alfa - Aldo-Bona (1935)

Martin (US), page  - 

Martin (Dtsch), pages 388 - 389

 

Manufacturer: Aldo-Bona, Milano, Italy

Construction: Giuseppe Inzadi

 

Alfa Junior

principle  tooth rack

capacity 

 10 (w/o cr) x  x 10

input  full keyboard
prod. years  ca. 1948
mach. built  
features  1 species
dimensions  
weight  7 kg
known s/n  2,828
    
for bigger and more pictures, click on the picture   

                                                                                        

                                                                                        source: FM.Faes

 

 

 

 

Sojuz-Org-Ucet (1935)

Manufacturer: N.K.T.P. Peoples Comm. Heavy Production, UdSSR

see also Odhner Soviet (past revolution) production

principle  pin wheel

for bigger and more pictures, click on the picture

capacity 

 9 (w/o cr) x 8 (w/o tc) x 13

input  cursors, rotating
prod. years  ca. 1935
mach. built  
features  
dimensions  32 x 12 x 14 cm
weight  5 kg
known s/n  4.337
    
for bigger and more pictures, click on the picture   
      source: HJ.Denker

 

 

also marketed under the name Standard No 5

Standard No 5

principle  pin wheel

for bigger and more pictures, click on the picture 

capacity 

 9 (w/o cr) x 8 (w/o tc) x 13

input  cursors, rotating
prod. years  ca. 1935
mach. built  
features  
dimensions  28 x 14 x 12 cm
weight  4 kg
known s/n  11.090
    
for bigger and more pictures, click on the picture   
      source: W.Szrek

 

 

 

 

Vaucanson (1936)

Manufacturer: Ateliers Vaucanson, Paris, France

 

Model A

principle  pin wheel

for bigger and more pictures, click on the picture 

capacity 

 7 (w/o cr) x 5 (w/o tc) x 10

input  cursors, rotating
prod. years  around 1929
mach. built  
features  
dimensions  32 x 16 x 11 cm
weight  5 kg
known s/n  407
    
for bigger and more pictures, click on the picture   
      source: H.Kremer

 

 

 

Model A.V.A. 13 , A.V.A. 13T

principle  pin wheel

capacity 

 10 (w cr) x 8 (w tc) x 13

input  cursors, rotating
prod. years  around 1936
mach. built  
features  
dimensions  36 x 19 x 15 cm
weight  7.9 kg
known s/n  14,625, 25,392, 32,272, 32,901
    
for bigger and more pictures, click on the picture   
      source: HJ.Denker

 

 

 

Model A.V.A. 20

principle   pin wheel

capacity 

 10 (w cr) x 11 (w tc) x 20

input  cursors, rotating
prod. years  
mach. built  
features  
dimensions  42 x 19 x 15 cm
weight  10 kg
known s/n  20,455, 40,2xx, 41,496
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: R.Rehbein

 

 

 

Model A.V.B. 13

principle  pinwheel

capacity 

 10 x 8 x 13

input  cursors, rotating
production years  ca. 1936
machines built  ????
features  
 
known s/n  30.726, 5.687
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: E.Kniesel

 

 

Model D

principle  pinwheel

capacity 

 10 x 11 x 20

input  cursors, rotating
production years  ca. 1936
machines built  ????
features  
 
known s/n  20.104, 20.336
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: F.Haeghens

 

 

 

Pascal A.V. 13T

principle  pinwheel

capacity 

 10 x 8 x 13

input  cursors, rotating
production years  ca. 1955
machines built  
features  very similar to A.V.A 13
 
known s/n  33.219
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

 

Saldorita (1937)

manufacturer: Saldoritaverken, Motala (S)

 

principle  ratchet with tenth carry

capacity 

 8 x  x 9

input  cursors
production years  around 1937
machines built  
features  2 species machine
 
known s/n  2.215
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: T.Leipälä

 

 

 

Add-O-Matic (1937)

manufacturer: Allied Manufacturing Company of Chicago, Illinois (US)

video about Add-O-Matic on retrocalculators.com

 

principle  chain adder

for bigger and more pictures, click on the picture 

capacity 

 5  x x 5

input  sliders
prod. years  1937 ?
mach. built  
features  
dimensions  
weight  
known s/n  
    
for bigger and more pictures, click on the picture   
      source: Thomas A. Russo

 

 

 

 

 

Schubert (1938)

 

Manufacturer: Schubert & Co. KG, Rastatt, Germany

Emil Schubert was forced out of his company Thales in 1936 and founded his new company in 1938.

 

rechts klicken zum kopieren, links zum öffnen (91 kB) table of Thales and Schubert machines

Reese, Martin:  Emil Schubert: Firmengründer und Konstrukteur der "Thales"- und "Schubert"- Sprossenradmaschinen. see below

 

 

Literature and links:

 

Reese, Martin:  Emil Schubert: Firmengründer und Konstrukteur der "Thales"- und "Schubert"- Sprossenradmaschinen.

part 1: Historische Bürowelt Nr. 56, 2000, S. 13-22. (IFHB)

part 2: Historische Bürowelt Nr. 57, 2000, S. 9-16. (IFHB)

part 3: Historische Bürowelt Nr. 58, 2000, S. 10-15. (IFHB)

 

Martin Reese  "Neue Blicke auf alte Maschinen"   (page 69 ff.)  (IFHB)

 

 

Schubert A

principle  pinwheel

capacity 

 6 (w cr) x 6 (w tc) x 10

input  cursors, rotating
prod. years  1938 - 1942
mach. built  
features  
dimensions  28 x 15 x 14 cm
weight  4.5 kg
known s/n  around 40 000, 502 540
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: H.Kremer

 

 

 

Schubert AR

principle  pinwheel

capacity 

 6 (w cr) x 6 (w tc) x 10

input  cursors, rotating
prod. years  1938 - 1942
mach. built  
features  back transfer
dimensions  28 x 15 x 14 cm
weight  4.5 kg
known s/n  around 40.000
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

 

 

Schubert CRV

principle  pinwheel

for bigger and more pictures, click on the picture

capacity 

 6 (w cr) x 6 (w tc) x 11

input  cursors, rotating
prod. years  ca. 1955 - 1972
mach. built  
features  back transfer
dimensions  32 x 14 x 13 cm
weight  5 kg
known s/n  140.924, 650.092
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: M.Meissner

 

 

Schubert CW

principle  pinwheel

capacity 

 6 (w cr) x 6 (w tc) x 11

input  cursors, rotating
prod. years  1956 - 1972
mach. built  
features  
dimensions  32 x 14 x 13 cm
weight  5 kg
known s/n  75 H-037, 75 N-300
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: H.Kremer

 

 

Schubert DR

principle  pinwheel

capacity 

 10 (w cr) x 8 (w tc) x 13

input  cursors, rotating
prod. years  1946 - 1954
mach. built  
features  back transfer
dimensions  33 x 14 x 13 cm
weight  5.1 kg
known s/n  150.012, 490.778, 514.051
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: D.Boelter

 

 

Schubert DRV

also marketed as Rokli 7RS and as ADM Teacher for the UK market

principle  pinwheel

capacity 

 10 (w cr) x 8 (w tc) x 13

input  cursors, rotating
prod. years  1952 - 1959
mach. built  
features  back transfer, one-hand oper.
dimensions  33 x 15 x 14 cm
weight  5.5 kg
known s/n  161.982, 166.409, 172.146, 55M-261
price  598,- DM (1959) 
for bigger and more pictures, click on the picture   

                                                                                                                       source: Greifswald

 

 

Schubert E

principle  pinwheel

capacity 

 10 (w cr) x 8 (w tc) x 16

input  10 keyboard
prod. years  1963 - 1966
mach. built  ca. 550
features  back transfer
dimensions  33 x 25 x 16 cm
weight  8 kg
known s/n  EV 100-130, E 1.001-1.300
 E 300.001 - 300.210
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

 

Maruzen (1938)

"Maruzen merged with Taiyo and incorporated Maruzen Calculating Machine Co, Ltd. which was later renamed to Maruzen Jimukikai & Co, Ltd."

from: K.Kadokura

literature and links:

Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines

 

principle  pinwheel

capacity 

 9 x 10 x 18

input  cursors, rotating
production years  from 1938 / 39
machines built  
features  
 
known s/n  182.225
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

 

Allen (1939)

Manufacturer: R.C.Allen Calc., Michigan (USA)

 

Model T

Manufacturer: Facit, Atvidaberg (S)

distributor:      R.C.Allen Calc., Michigan (USA)

principle  divided pinwheel

capacity 

 9 x 8 x 13

input  10 keyboard
production years  1932 - 1939 (incl. Facit)
machines built  
features  identical to Facit T
 
known s/n   15.001 - 25.330
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

Model 35

principle  divided pinwheel

capacity 

 9 x 8 x 13

input  10 keyboard
production years  1939 - 1943
machines built  
features  electric
 identical to Facit EA
 short multiplication, autom. short division
known s/n   24.120
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: HJ.Denker

 

 

 

Zolnay Endre (1939)

Manufacturer: Zolnay Endre, Losonc, Hungary

 

literature and links:

D.Bölter

principle  friction coupling

for bigger and more pictures, click on the picture 

capacity 

 4 (w cr) x  x 8

input  tooth wheel
prod. years  1939
mach. built  2 machines known
features  2 species
dimensions  13 x 10 x 8 cm
weight  
known s/n  1 021
 
for bigger and more pictures, click on the picture   
      source: D.Bölter

 

 

 

Swift (1939)

Manufacturer: Swift Business Mach., New York (USA)

principle   tooth rack

for bigger and more pictures, click on the picture 

capacity 

 8 (w cr) x   x 9

input  10 keyboard
prod. years  from 1939
mach. built  
features  1 species, repeat button
dimensions  15 x 20 x 11 cm
weight  
known s/n  917.192
 
for bigger and more pictures, click on the picture   
      source: HJ.Denker

 

 

 

Antares (1940)

Manufacturer: Pozzi S.P.A., Milano, Italy & Antares S.P.A., Milano, Italy.

 

P3

principle   pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 x 8 x 13

input  cursors, rotating
prod. years  from 1949
mach. built  
features  
dimensions  
weight  
known s/n  around 15.000
 
for bigger and more pictures, click on the picture   
      source: HJ.Denker

 

 

 

P4

principle   pinwheel

for bigger and more pictures, click on the picture  

capacity 

 10 (w/o cr) x 8 (w tc) x 13

input  cursors, rotating
prod. years  
mach. built  
features  
dimensions  32 x 16 x 13 cm
weight  5 kg
known s/n  21.252
 
for bigger and more pictures, click on the picture   
      source: P.Ruff

 

 

 

 

P6 / P7

principle  pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 x 8 x 13

input  cursors, rotating
production years  ca. 1940
machines built  ????
features  
 
known s/n  50.726, 55.290
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: F.Haeghens

 

 

 

P30

principle  pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 x 11 x 20

input  cursors, rotating
production years  ca. 1940
machines built  ????
features  back transfer
 
known s/n  30/5237
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: R.Rehbein

 

 

 

Numeria (1940)

manufacturer: SICMU (Società Italiana Commercio Macchine Ufficio)

distributor: Lagomarsino S.p.A., Milano, Italy 

later also manufactured by Lagomarsino

 

literature and links:

R. Atzbach shows details of this un-common pinwheel construction

Reese, Haertel: Numeria - Nur scheinbar eine Monroe-Tochter.

 

source: E.Anthes

 

 

source: HJ.Denker

 

 

 

model 5905

principle  pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 (w/o cr) x 11 (w/o tc) x 21

input  full keyboard
prod. years  
mach. built  
features  clearance of result register can be split 9 - 12
dimensions  42 x 27 x 19 cm
weight  8 kg
known s/n  73 635
    
for bigger and more pictures, click on the picture   
      source: A.Jeanroy

 

 

 

model 7101

principle  pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 (w/o cr) x 6 (w/o tc) x 14

input  full keyboard
prod. years  
mach. built  
features  
dimensions  34 x 22 x 20 cm
weight  6.4 kg
known s/n  39.135, 41.659, 44.664
    
for bigger and more pictures, click on the picture   
      source: HJ.Denker

 

 

 

model 7903

principle  pinwheel

for bigger and more pictures, click on the picture 

capacity 

 10 (w/o cr) x 11(w/o tc) x 21

input  full keyboard
prod. years  
mach. built  
features  clearance of result register can be split 9 - 12
dimensions  42 x 27 x 18 cm
weight  7 kg
known s/n  41 957
    
for bigger and more pictures, click on the picture   
      source: A.Jeanroy

 

 

 

Dixi (1940)

manufacturer: AB Dixma, Malmö (S)

 

principle  tooth rack

for bigger and more pictures, click on the picture 

capacity 

 10 (w/o cr) x  x 11

input  10 keyboard
prod. years  1940 - 1963
mach. built  
features  
dimensions  
weight  
known s/n  
    
for bigger and more pictures, click on the picture   
      source: I-L.Thorberg

 

 

 

last updated: 21-Feb-12