Sextant, Brandis, with Willson Bubble Telescope, Early

A navigator sighted a star or the sun, and a floating bubble served as the horizon, so it worked in clouds or at night.

Date

ca. 1919

Maker

Brandis & Sons Inc.

Place

United States of America

Materials

Wood, brass, steel, glass, paper, felt, paint

Dimensions

3-D (L x W x H) (In Box): 27.7 × 28.6 × 14.6cm (10 7/8 × 11 1/4 × 5 3/4 in.); 3-D (L x W x H) (upright): 24.1 × 10.2 × 28.9cm (9 1/2 × 4 × 11 3/8 in.)

Museum

National Air and Space Museum

Credit line

Transferred from the Department of Commerce

270mm long, 240mm high, 100mm wide; bubble type; illuminated.

The museum's own record (Smithsonian, National Air and Space Museum)

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