Dial-a-Metric

Details Dial-a-Metric Dial-a-Metric

1978-08-23

1980-01-01

Goldberg, Gerald

Signals and indicators

Indicators

Operator movable

235 88R, G06C 1700

Patent

active

041810902

ABSTRACT:
"DIAL-A-METRIC" is a measuring device with top and bottom rotating dials and a stationary center dial inscribed with six calibrated scales on two sides. The top and bottom dials have three die cut hairline windows on each side. When the two dials are rotated, the six windows reveal twelve different calibrated scales that converts existing American weights and measures to the International metric system.

REFERENCES:
patent: 331264 (1885-03-01), Tucker
patent: 784660 (1905-03-01), Chritton
patent: 1441914 (1923-01-01), Deisch
patent: 1849379 (1932-03-01), Passek
patent: 2780201 (1957-02-01), Dzaack
patent: 2912776 (1959-11-01), Koerber
patent: 3716015 (1973-02-01), Godfrey

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