Tool - BILL ASHMAN COLLECTION: SCALEBUOY AUTOMOTIVE UNIT

Physical description

Scalebuoy Automotive Unit for placing inside car radiator hose, consists of two tear drop shaped glass containers with mercury inside and held in a wire holder, with cardboard cylinder packaging with inner layer which has instructions written on it, black cardboard with silver writing and red lining.

Inscriptions & markings

The Scalebuoy Company Boston USA

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