MARINE ONE HOUR HOURGLASS - England - 18th century

MARINE ONE HOUR HOURGLASS - England - 18th century
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ONE-HOUR MARINE HOURGLASS
England, 18th century
Wood, glass, sand and wax
H.: 20.2; Diam.: 9.5 cm
(restoration)

Hourglass composed of a vial with two bulbs in slightly tinted bubbled glass, associated with a wax seal and two circular wooden bases held together using four wooden sticks forming columns – one of the discs is marked with the intertwined initials DT, DA, DT in black ink.

Its flow time is one hour.

On board, by combining the number of times an hourglass had been turned over with the speed information transmitted by the log, it was possible from the 15th century onwards to estimate the position of a ship at sea.

Text and photos © FCP CORIDON

Ref.: 4995

Ref: IIDOEX9TFJ

Style English style (Scientific instruments of English style Style)
Period 18th century (Scientific instruments 18th century)
Country of origin United Kingdom
Shipping Time Ready to ship in 2-3 Business Days
Location 93400, Saint-Ouen, France
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