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Numero oggetto

T-74
Time Finding
Nome oggetto

Sundial
Titolo

Sundial: Inclinable
Creatore

Sheahan, D. B.
Descrizione

Modern plane table surveying compass with sights, 2 bubble levels, azimuth scale and vernier. Resting on 3 levelling screws. Bar needle, type 31, with needle brake. Arrow for magnetic deviation (~17°W). Roman numerals.
Materiale

"D.B. Sheahan N. Y. 1912" on base.
Materiale

German silver, wood, steel, semi-precious stones, brass
Soggetto

United States

Dimensioni