Description

Awesome Hard-to-Find Indicating Calipers Co. Thickness Caliper – Patented Aug 8, 1916 & Feb 25, 1919 – New York

This rare Indicating Calipers Co. thickness caliper is a standout piece of early 20th-century precision engineering, designed for accurate internal thickness measurements in hard-to-reach areas—especially favored by instrument makers like violin craftsmen.

• Clearly marked “Indicating Calipers Co. New York”
• Patented Aug 8, 1916 & Feb 25, 1919 – by inventor L. Kaplan
• Trigger-style spring handle – allows quick, repeatable measurements
• Knurled knob – for setting predefined measurements
• Measures up to 3″ –

A fantastic addition for collectors of scientific instruments, machinists, or fine tool enthusiasts.

✅ Always Free Shipping with Michael Rouillard Tools ✅