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Punched card tabulator, model no. 902

1960

Tabulator for curves 0 to 8 inches

1864-1916

Tabulator for curves (see 90169) by R.W. Munro

26 column round hole tabulator, and two hole sensor units, by Powers-Samas, United Kingdom, 1925-1935

26 column round hole tabulator

1930

Powers-Samas 45 column - card tabulator

45 col. Tabulator

BTM "Mercury Cup" tabulator, hand operated c. 1908, ICT Museum No.49

Hand operated Mercury cup tabulator

1908

65 column Powers Samas tabulator, sectioned, cut away, illuminated and slowed to working speed of 10 cards per minute, 1930.

65 column Powers Samas tabulator

1930

Tabulator 45 column round hole c. 1926

45 col. tabulator

1926

Semi-automatic 3-counter tabulator, early example, c.1905, (no.0312)

Semi-automatic 3 counter tabulator

1905

26 column round hole tabulator, by Powers-Samas, United Kingdom, 1925-1935

26 column round hole tabulator c. 1930

1930