Holt Mfg Co, Makers of Composite Clamps in MA

The firm was located in Springfield, Mass. [MJD]

Description of Clamps

These bear the phrase "Pat. Apld. For". Nothing further is known about the patent.

Whole clamp, made by Holt; picture supplied by Martin J Donnelly

Jaw Length: 6.00 Inches.

Note that the metal rods are direct substitutes for wooden shafts.

last revised and validated