|
US1432345A
|
|
Rotary selector or analyzer
|
|
US1376556A
|
|
Electrically-controlled sorting-machine
|
|
US1346162A
|
|
Statistical record-card
|
|
US1438924A
|
|
Automatic tabulator accounting machine
|
|
US1423439A
|
|
Sector control for tabulating machines
|
|
US1376572A
|
|
Electrical non-stop card-tabulator printer
|
|
US1438536A
|
|
Stop motion for card-tabulating machines
|
|
US1388299A
|
|
Combined perforating and printing tabulator mechanism
|
|
US1358083A
|
|
Reinking device for ribbons
|
|
US1352006A
|
|
Controlling means
|
|
US1376555A
|
|
Total-taking means for accounting-machines
|
|
US1388271A
|
|
Designation-printing means
|
|
GB191326896A
|
|
Tabulator Printers.
|
|
GB191422359A
|
|
Improvements in Driving Mechanism for Machines for Tabulating Statistics.
|
|
GB191215473A
|
|
Improved Mechanically Actuated and Controlled Apparatus for Compiling and Sorting Cards for Statistical or the like purposes.
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