Vintage Park Instrument Co proportional divider drafting instrument marked “PARK INST CO – ROCHELLE PARK, N.J.”

This precision drafting tool features adjustable ratio scales labeled “LINES” and “CIRCLES,” designed for enlarging and reducing drawings, artwork, and technical layouts. A classic American-made instrument used by architects, engineers, draftsmen, and artists.

Includes the original fitted storage case, which adds to both collectibility and value.

Item Details:

• Maker: Park Instrument Co.

• Markings: Park Inst Co, Rochelle Park, N.J.

• Type: Proportional Divider / Drafting Tool

• Scales: Lines and Circles ratio scale

• Length: Approx. 9 inches (see photos for measurement)

• Weight: 6.5 oz

• Country of Manufacture: USA

• Original Case Included: Yes

Condition:

Good vintage condition with normal age-related wear, light patina, and surface marks. Adjustment knob functions and scales remain legible. Points are intact and sharp. Case shows minor cosmetic wear from storage. Please review all photos carefully for exact condition and details.

A great collectible and functional drafting instrument, ideal for engineers, architects, artists, or vintage scientific instrument collectors.