Three Pocket Navigational Instruments, late 19th/early 20th century, a mahogany cased instrument with a 1 3/4-in. compass, bubble level, brass quadrant marked Deck Practical Chemist Cambridge with a scale from 0-90, and a pointer arm, sighting pinnula screwed to outside of case side; a walnut cased pocket sundial with domed glass, 1 1/2-in. dial with center cartouche reading Charles Nephew & Co. Calcutta, brass gnomon, and an equation of time paper table in the underside of lid; and a leather-cased English pocket barometer, dia. 1 3/4 in.
Three Pocket Navigational Instruments, late 19th/early 20th century, a mahogany cased instrument with a 1 3/4-in. compass, bubble level, brass quadrant marked Deck Practical Chemist Cambridge with a scale from 0-90, and a pointer arm, sighting pinnula screwed to outside of case side; a walnut cased pocket sundial with domed glass, 1 1/2-in. dial with center cartouche reading Charles Nephew & Co. Calcutta, brass gnomon, and an equation of time paper table in the underside of lid; and a leather-cased English pocket barometer, dia. 1 3/4 in.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
