Wooden Folding Ruler or Angle Measurement Tool
Object/Artifact
A wooden measuring tool with three adjustable arms connected at a pivot point, allowing for measurement of angles or layout marking. The tool is commonly used in drafting, woodworking, and architectural design.
This type of tool has been historically used by engineers, draftsmen, and carpenters to measure and replicate angles accurately. Owned by mechanical draftsman and inventor Lewis Latimer, iIt is a simple yet effective instrument for various applications requiring precision.
Latimer Family Papers (1870-1996 ) [QPL Full Collection]