Universal heliochronometer

Details Universal heliochronometer Universal heliochronometer

1986-02-26

1987-02-24

Miska, Vit W.

Horology: time measuring systems or devices

Astronomical

33270, G04B 1926, G01C 1734

Patent

active

046453547

ABSTRACT:
A heliochronometer (10) for providing accurate clock time readouts at any known latitude and longitude location on the earth including, a base (15) to effect precision orientation and level mounting and having an unpstanding post (40), a latitude member (45) adjustably angularly positionable relative to the post for selecting a particular latitude, a gnomon assembly (65) extending upwardly from the latitude member, a longitude correction member (75) adjustably pivotally mounted about the gnomon assembly for effecting a longitude correction, a time dial support (20) pivotally mounted about said gnomon assembly and having an arcuate time dial (150) on which the shadow of the gnomon assembly is projected, and assemblies (90, 130) interconnecting the longitude correction member and the time dial support for adjusting the angular position of the time dial for daylight savings time and the equation of time.

REFERENCES:
patent: 1209289 (1916-12-01), Hartman
patent: 1570029 (1926-01-01), Balach
patent: 1629238 (1927-05-01), Terraz
patent: 3090124 (1963-05-01), Fruhling
patent: 3158937 (1964-12-01), Flineis
patent: 3303567 (1967-02-01), Blanks
patent: 4028813 (1977-06-01), Eldridge
patent: 4081911 (1978-04-01), Eldridge
patent: 4103429 (1978-08-01), Wagoner
patent: 4135357 (1979-01-01), Ashton

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