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Two Perkins 'tractors'

Therapeutics

1795-1805

Leaflet for a work entitled 'Cases of successful practice with Perkin's Patent Metallic Tractors'.

Therapeutics

1801

Set of three Perkins tractors, possibly of steel,

Therapeutics

1801-1850
Set of three Perkins tractors, steel, brass and copper, in tube-shaped black leather case, first half 19th century. This set is probably an imitation, as it is not stamped with the Perkins name, and includes three tractors (two round and one flat) rather than two. Tractors bound together with a small removable ring. Identical to A658227 except one endcap of case is missing.

Set of three Perkins tractors, steel, brass and co

Therapeutics

1801-1850
Gold-plated replica of the brass tractor from a set of Perkins' tractors; original was in the possession of a descendant of Elisha Perkins. Presented to the Wellcome Historical Medical Museum in 1928 by Dr. Howard Dittrick, curator of the medical museum in Cleveland, Ohio, now known as the Dittrick Museum.

Gold-plated replica of the brass tractor from a se

Therapeutics