GB389719A
(https= )
1900-01-01
US2444564A
(en )
1948-07-06
Cash register
US2404170A
(en )
1946-07-16
Cash register
GB191010213A
(en )
1911-04-20
Improvements relating to Coin Displayers for Cash Registers.
GB542003A
(en )
1941-12-22
Improved apparatus for "braille" writing
GB693679A
(en )
1953-07-01
Calculating machines
GB191007058A
(en )
1910-09-29
An Improved Printing Disc for Cash Registers.
GB190919845A
(en )
1910-02-03
Improvements in or relating to Calculating Machines.
Heichelheim
1957
Pap. Oxy. 2088 A Fragment from Cato's Origines I.?
GB631443A
(en )
1949-11-02
Improvements in or relating to accounting machines and similar calculating machines
US1094468A
(en )
1914-04-28
Adding-machine.
GB660638A
(en )
1951-11-07
Accounting machines and similar calculating machines
GB191213037A
(en )
1912-11-22
Improvements in and relating to Adding and Transaction-counting Mechanism for Cash Registers, or Computing or Registering Machines.
GB191514604A
(en )
1916-06-01
Improvements in and relating to Total Indicating and Total Printing Mechanism for Cash Registers and the like.
GB191346A
(en )
1923-01-04
Improvements in and relating to keyboard and differential mechanism for cash registers and like machines
GB116538A
(en )
1918-06-13
Improvements in or relating to Keyboards for Typewriters.
US696481A
(en )
1902-04-01
Adding-machine.
GB191123390A
(en )
1912-08-01
An Improved Cash Indicator.
GB191515305A
(en )
1915-12-24
Improvements in Printing Machines.
CORBITT
1926
Punishment for Perjury
GB660641A
(https= )
GB358675A
(en )
1931-10-15
Improvements in writing adding machines
GB190105779A
(en )
1901-05-18
Improvements in and relating to Tramway and like Tickets.
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB158083A
(en )
1921-01-27
Improvements in means for obtaining punched records for use in cash registering and like machines