Astroglobe, a glass celestial globe with liquid horizon on stand, by George Philip & Son, London, England, Circa 1925.
“Provisional patent no. 35,972/34.”
Used for training celestial navigation, the globe provides a navigator who is operating in an unfamiliar region a quick reference for preparing a sextant “shot.” The globe is filled with coloured water to represent the horizon.
For a similar Astroglobe see: The Science Museum, London, Object number: 1992-585.
George Philip & Son publishing house, was one of the oldest in the United Kingdom, located in Fleet Street, London, it specialized in maps and atlases. The company was founded in 1834 and operated independently for over 140 years until 1987.
Literature: The astroglobe, devised and constructed by K.N. Munro and E.O. Tancock. Publisher:G. Philip & Son, Ltd. 1935.