1930s-WWII US Air Corps Aircraft Altimeter Type C-13 by Kollsman

This is a circa 1930s or early World War II United States Air Service altimeter Type C-13 by Kollsman. The dial face has luminous markings and also displays the altimeter's serial number: 2922There is a Kollsman mark and a specifications plaque on reverse. The knob at lower left controls the long hand. An altimeter measures altitude above a fixed level.

Circa 1930s-early WWII.

Approximately 4-5/8" in length and 3-1/4" square on face.

Painted brass, aluminum, glass.

Knob, holes for screws.

A. C. U. S. Army, Type C-13, Ser. No. 29222 on face; KOLLSMAN and specifications plaque on reverse.

This is from a 1930s-WWII United States Air Service aircraft equipment collection that we will be listing more of over the next few months. ebay SHOP MCEX13 LAFEX4/14 SeAFEX8/15

7+ (Very Fine+): The altimeter does have some small spots of cosmetic wear.

As with all my artifacts, this piece is guaranteed to be original, as described.