Instruments Navigational Collection

Compass, Aperiodic, Wiley Post crash, ca. 1930s Creator: E. S. Ritchie & Sons Inc
From last plane flown by Wiley Post. In 1935 Wiley Post scavenged this aperiodic compass from the older Winnie Mae for use on his new plane, a Lockheed Orion

Astrodome, Rohm & Hs. Creator: Rohm & Hs
Plexiglas dome, navigation, U.S. Navy, 56 cm. dia. 15 cm. h

Sight, Drift & Ground Speed, Gatty, ca 1931. Creator: Louis Levin & Son Inc
Type b2 gatty; 210mm l; 115 w; 340mm h

Drift Sight, Italian, Crocco, c. 1917. Creator: Central Aeronautico Instituto
Crocco drift indicator; 280mm wide, 500mm long, 215mm high. Used for indicating the path of airplanes

Controller, Magnetic Compass, General Electric, 2CA10E1, Wiley Post crash
Cylindrical shaped panel mounted instrument, with white luminous figures on black face. Earth induction compass. On 15 August 1935

Sextant, Brandis, with Willson Bubble Telescope, Early, ca. 1919
270mm long, 240mm high, 100mm wide; 1919; bubble type; illuminated

Watch, Navigation, Hamilton 4992B, AN5740. Creators: Hamilton Watch Co. George H
3 3/4in. diameter; grey painted steel case with 24-hour steel navigation watch

Sextant, Bubble, Averaging, AN 5851-1. Creator: Unknown
8 x 7 x 7in. bubble type; in fitted soft carrying bag with battery case

Drift Meter, B-3, Boeing B-17D "Swoose". Creator: Unknown
Sighting head, missing periscopic element. The B-3 was used on bombers and transports when ground or water could be clearly seen. It evolved from the earlier Gatty drift meters

Sun Compass, Bumstead. Creator: Pioneer Instrument Company
85mm diameter, 110 high; 24 hour dial and azimuth scale; white on black

Watches, Army Air Corps, Avigation [Air Navigation], A-6, ca. 1934
2-1/8in. diameter; 2 watches in fitted mahogany case with 2 view ports

Drift Meter, Navy, Pioneer. Creator: Pioneer Instrument Company
Metal sight; in 51cm x 9cm x 17cm wood box; experimental

Mark IIb Pelorus. Creator: Unknown
350mm high, sight tube 210mm, bearing plate 120mm diameter; Navy; brass

Astrocompass, Mark II, "Excalibur III". Creator: W. W. Boes Co
Aluminum with black enamel finish. Approx. 4" dia. x 12" high. Used in polar navigation. Nameplate on the base reads " ASTRO-COMPASS MK II / The W.W. BOES CO. / DAYTON, OHOIO, USA

Generating Unit, Magneto Compass, Earth Inductor, Wiley Post crash
Wind-driven, badly dented, Model 28A12A-1. On 15 August 1935, American aviator Wiley Post was killed when his aircraft crashed on takeoff from a lagoon near Point Barrow in the Territory of Alaska

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