First practical rotary calculator developed in 1872. Stock Footage
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First Practical Rotary Calculator Developed In 1872.

1920 x 1080 / mov / 230.0MB / PHOTOJPEG
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Description

By avgeeks
Description: UNITED STATES 1960s: First practical rotary calculator developed in 1872.

Additional Information

Item ID:
74449575
Usage:
Editorial
Duration:
00:00:11
Looping:
No
Alpha Matte:
No
Alpha Channel:
No
Model Released:
No
Property Released:
No
Location:
N/A
Compressor Name:
Photo - JPEG
Average Bitrate:
172 Mbps
Bit Depth:
24
Handler Vendor:
Apple
Audio Channels:
2
Audio Format:
twos
Audio Sample Rate:
44100

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Keywords

1872, 1960s, 1970s, 1980s, addition, ancient, archaic, arithmetic, baldwin, calculator, colored, digits, first, math, mathematics, numbers, old, practical, rotary, rotation, spinning, subtraction, turnstile, wheels