Timing device

Details Timing device Timing device

1978-12-13

1980-10-21

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Gravity actuated type

368 94, B04F 106

Patent

active

042286492

ABSTRACT:
A timing device comprises a container of a transparent material, a channel in said container, and a flotation liquid and a float in said channel, said float having a density different from that of said flotation liquid. Flotation liquid compositions are disclosed which provide a transit time of said float through said channel which is essentially independent of temperature over the normal ambient room temperature range. A number of the embodiments provide for adjustment of the transit times over a substantial range of times.

REFERENCES:
patent: 3111004 (1963-11-01), Allenbach
patent: 3166839 (1965-01-01), Dock et al.
patent: 3240007 (1966-03-01), Dock et al.
patent: 3465516 (1969-09-01), von Meter
patent: 3492811 (1970-02-01), Shore

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