Tiger  (1930)

Manufacturer: Ohmoto Tekko, Osaka, Japan, became "Tiger Calculator factory", in 1930 re-named to Tiger Calculator Ltd.

 

literature and links:

http://www7a.biglobe.ne.jp/~atelier-yuu/m_cal has lots of pictures of Tiger calculators (in Japanese)

click on >> Welcome world of "Mechanical Calculator" <<, then on >> Material <<

 

Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines

 

Tiger Mechanical Calculating Machine Serial Numbers

Serial number

Year

Serial  number

Year

1-500 1923 55001-60000 1947
501-1000 1924 60001-65000 1948
1001-2000 1925 65001-70000 1949
2001-3000 1926 70001-75000 1950
3001-4000 1927 75001-80000 1951
4001-5000 1928 80001-92000 1952
5001-6000 1929 92001-105000 1953
6001-7000 1930 105001-117000 1954
7001-8000 1931 117001-129000 1955
8001-9500 1932 129001-141000 1956
9501-11000 1933 141001-153000 1957
11001-13000 1934 153001-167000 1958
13001-15000 1935 167001-183000 1959
15001-17000 1936 183001-203000 1960
17001-20000 1937 203001-226000 1961
20001-23000 1938 226001-250000 1962
23001-26000 1939 250001-280000 1963
26001-30000 1940 280001-310000 1964
30001-34000 1941 310001-340000 1965
34001-38000 1942 340001-370000 1966
38001-42000 1943 370001-400000 1967
42001-46000 1944 400001-430000 1968
46001-50000 1945 430001-460000 1969
50001-55000 1946 460001- 1970
Source:
Tiger Calculating Machine Co. 
sales letter (1970)

Courtesy of Mr. Y. Watanabe 

(former Tiger sales manager)
Edited by K. Kadokura

Copyright  K. Kadokura  

April 18, 2000

 

 

 

Tiger early

principle  pinwheel

capacity 

 6 x 7 x 12

input  cursors, rotating
production years  
machines built  
features  
 
known s/n  14.217 (1935)
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: HJ.Denker

 

 

 

Tiger Kihon-kata

principle  pinwheel

capacity 

 9 x 10 x 14 (or 16, 18, 20)

input  cursors, rotating
production years  from 1930
machines built  60.000 (with tokusou-kata & renjyou-kata)
features  base model
 
known s/n  27.346 (1940)
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

 

Tiger Tokusou-kata

 

principle  pinwheel

capacity 

 9 x 10 x 16 (or 18, 20)

input  cursors, rotating
production years  1931 - 1950
machines built  
features  tens carry in quotient register
 
known s/n  15.321
 
    
for bigger and more pictures, click on the picture   

                                                                                                                       source: E.Weigel

 

 

 

Tiger Renjyou-kata

principle  pin wheel

for bigger and more pictures, click on the picture 

capacity 

 10 (w cr) x 10 x 18

input  cursors, rotating
prod. years  from 1934
mach. built  
features

 back transfer

dimensions  
weight  
known s/n  14.799, 64.333 (1940)
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

 

Tiger renjyou-20

similar models in this time period:

Tiger kihon-D, 9 x 10 x 18, no tens carry in counter register, no back transfer

Tiger tokusou-18, 9 x 10 x 18, no back transfer

principle  ratchet (geared wheel)

capacity 

 10 x 10 x 20

input  cursors, non-rotating
production years  1950 - 1958
machines built  93.000 (with tokusou-18 & kihon-D)
features  back transfer
 
known s/n  133.838 (1956)
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

Tiger shin-renjyou

similar model in this time period:

Tiger shin-tokusou, 9 x 10 x 18, no back transfer

principle  ratchet (geared wheel)

capacity 

 10 x 11 x 20

input  cursors, non-rotating
production years  1958 - 1962
machines built  85.000 (with shin-tokusou)
features  back transfer
 
known s/n  234.739 (1962)
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

 

Tiger H62-20

principle  ratchet (geared wheel)

capacity 

 10 x 11 x 20

input  cursors, non-rotating
production years  1967
machines built  157.000 (with H62-18)
features  back transfer
 
known s/n  403.303
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

 

Tiger H68-21

principle  ratchet (geared wheel)

capacity 

 10 x 11 x 21

input  cursors, non-rotating
production years  1970
machines built  83.000 (with H68-S)
features  
 
known s/n  472.580
 
    
for bigger and more pictures, click on the picture   

                                                                                                                      source: Y.Watanabe / Atelier yuuji

 

 

 

 

last updated: 21-Feb-12