RARE - VINTAGE BRASS PENCIL COMPASS - HELIX LOCK - PROVISIONAL PATENT 6037/35

RARE

EARLY 1900’s

HELIX LOCK BRASS PENCILCOMPASS

PROVISIONAL PATENT Number 6037/35

Please take a close look at the photographs, which form part of the description, to determine the condition.

Condition is very good, considering the age, they need a good clean, and the point could do with sharpening. Both screw threads work well. The top firm joint is sound. The supplied period pencil is an Alpha 1703/3

Size:- 96mm long (max 4" radius)

Weight:- 31g

Any questions, please ask