GB160374A
(enrdf_load_stackoverflow )
US2986993A
(en )
1961-06-06
H gang
GB753841A
(enrdf_load_stackoverflow )
GB473791A
(enrdf_load_stackoverflow )
US1172484A
(en )
1916-02-22
Adding and listing machine.
GB606627A
(enrdf_load_stackoverflow )
GB191501533A
(en )
1915-06-10
Improvements in Non-print, Non-compute Mechanism for Typographical Computing Machines.
GB150735A
(enrdf_load_stackoverflow )
GB743554A
(enrdf_load_stackoverflow )
GB741957A
(enrdf_load_stackoverflow )
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB191120333A
(en )
1912-09-12
Improvements in and relating to Printing Mechanism for Cash Registers and the like.
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB190524014A
(en )
1906-11-08
Improvements in Cash Registers
GB925622A
(enrdf_load_stackoverflow )
GB598524A
(enrdf_load_stackoverflow )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB672804A
(enrdf_load_stackoverflow )
GB310053A
(enrdf_load_stackoverflow )
GB652285A
(enrdf_load_stackoverflow )
GB175581A
(en )
1922-02-13
Improvements in or relating to calculating machines and printing mechanism therefor
GB265122A
(enrdf_load_stackoverflow )
GB190605557A
(en )
1907-02-07
Improvements in or relating to Calculating Apparatus applicable to Typewriters.
GB190514115A
(en )
1906-07-07
Improvements in and relating to Adding Machines.
GB250612A
(enrdf_load_stackoverflow )