Maker and role
Bell Punch Company Limited, Manufacturer
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8 columns of buttons, numbered 1 to 5, and one column has only one button. Display window on the front with ten digits. System of recording accumulation of values. Used for revenue checks by the Telephone Exchange in Auckland.
DESIGNED AND MANUFACTURED / UNDER THEIR PATENTS BY / BELL PUNCH COMPANY LIMITED. / LONDON ENGLAND. / MODEL No 509/S/64.989 Maker's Plate
GUARANTEED / MADE IN GREAT BRITAIN Impressed