GB223895A
(https= )
GB669844A
(en )
1952-04-09
Improvements in or relating to telegraphic tape-recording apparatus
GB1381911A
(en )
1975-01-29
Card embossing apparatus
US1447871A
(en )
1923-03-06
Friction drive control for tabulating machines
US2919779A
(en )
1960-01-05
Embossing machines
US3053442A
(en )
1962-09-11
Movable stop devices for calculating machines
US3482775A
(en )
1969-12-09
Simultaneous transfer mechanism for calculating machines
GB243647A
(https= )
GB982721A
(en )
1965-02-10
Adding machine
GB191417079A
(en )
1915-07-19
Improvements in Calculating Machines.
US3168035A
(en )
1965-02-02
Read-in mechanism for settable type wheels
GB589653A
(https= )
GB190826763A
(en )
1909-12-09
Improvements in Apparatus for Adding or Calculating.
GB191009878A
(en )
1910-10-06
Improvements in Permutation-locks.
US3458124A
(en )
1969-07-29
Printing device with zero-position selecting mechanism
US3864553A
(en )
1975-02-04
Resetting device for counter drums
GB191015626A
(en )
1911-04-06
Improvements in or relating to Apparatus for Making Perforated Bands for Automatically Setting Type.
US1534834A
(en )
1925-04-21
Calculating machine
GB190711860A
(en )
1908-05-21
Improvements in or connected with Time Registers.
GB301396A
(https= )
US1033928A
(en )
1912-07-30
Printing mechanism for cash-registers or like machines.
GB156997A
(https= )
GB124692A
(https= )
GB189826925A
(en )
1899-08-19
Improvements in and connected with Calculating Machines.
GB344393A
(https= )