Universal Helio-chronometer, with accessories

Made:: 1901-1930 in Preston

Universal Helio-chronometer, with rag-bolt, screwdriven box key with accessories (3 pieces), Pilkington and Gibbs Ltd., Preston, Lancashire, early 20th century.

Details

Category:: Time Measurement

Object Number:: 1922-156

type:: mean-time sundial

credit:: Pilkington and Gibbs Ltd.

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Parts

"Universal" Helio-chronometer, for Northern Hemisphere, 1901-1922

Universal Helio-chronometer, with rag-bolt, screwdriven box key, patent No 10,787, Pilkington and Gibbs Ltd., Preston,1901-1922. It was designed to correct for the equation of time, meaning that standard mean-time could be ascertained at any place, providing there is sunlight. This model for use in the Northern hemisphere, a serparate one designed for Southern hemisphere.

Measurements:: overall: 270 mm 225 mm, 7.44kg

Object Number:: 1922-156 Pt1

type:: helio-chronometer

Accessories for universal Helio-Chronometer

Accessories (3 pieces) for universal Helio-chronometer, with rag-bolt, screwdriven box key, Pilkington and Gibbs Ltd., Preston, Lancashire, early 20th century.