Drop Compass

Date1923

Mediummetal

Dimensionscompass: 4 1/2 × 7/8 × 3/8 in. (11.4 × 2.2 × 1 cm)
pencil tip: 1 3/4 × 1/4 × 1/4 in. (4.4 × 0.6 × 0.6 cm)

ClassificationsTools, Implements & Weights

Credit LineAlbuquerque Museum, gift of Rufus N. Carter Jr.

Object numberPC1992.86.3.A

DescriptionThis drafting compass set features precision engineering tools housed in a black, fabric-covered case with a green velvet interior. The set includes a primary metal compass with an adjustable arm, as well as an additional extension attachment. Used by engineers, architects, and draftsmen, this type of instrument was essential for technical drawing and design before the widespread adoption of digital drafting tools.

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