Browse Items (7 total)

Wood, metal, glass

Wooden mahogany case, there was a spare wooden case, height 59.25 cm, width 44 cm, depth 20 cm. The clock is now in the collection of the Adler Planetarium in Chicago

"The Riefler clock has two interesting characteristics. …


Model EC 1 Echophone
Metal, glass

Model EC 1 Echophone commercial, 6 tube, AC-DC, three band, 545 KC-30.5 MC, 12 x 12 x 8.4 inch / 305 x 305 x 213 mm. Paper manual included. Was used in the clock room to provide a time signal to the chronograph. In the late 1950s…

Large Haines Sidereal clock, 8-inch dial
Aluminum, brass, glass

There are two sidereal clocks, both are electric. The first is 9 ½-inch diameter with a 8-inch dial, black metal base, brass and glass, 3 hands.

The second smaller clock 5 ¼-inch diameter, tag indicates a date of…


Green Mercury Stick barometer
Wood, metal, glass, mercury

Housed in wooden box with glass sides, hinged wood/glass door, case is 9 ¼ x 6 ¼ x 50 ¾ inches. Originally kept in the entrance hall on the west wall, just north of the door to the transit rooms. Glass on front door…


IBM master clock
Wood, glass, metal

There are two 60 beat with a Graham dead-beat escapement with micrometer adjustment. Magnet wound, spring drive, self-regulating movement, 63 1/6” x 19 ¼” x 7 5/8”, plain glass door, 12” Arabic dial, white with black…


Self winding clock
Wood, metal, glass

Purchased by the Astronomy Club in 1985 at an estate sale, the clock was missing the dial and door but still retained the wooden case, paper instructions, wires, hands, pendulum, and clock mechanism. In 2011, Dr. Bruce Hannon…


Warner & Swasey drum chronograph
Metal, wood, glass

The chronograph, made by Warner and Swasey, is permanently mounted in the clock room. Includes wooden box (9 ¼ x 6 ¼ x 50 ¾ inches) connected to counter-weights and pulleys attached to the ceiling. It consists of a brass…
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