Accession No

3091

Brief Description

pocket medical induction coil, 2/2 19th C

Origin

England

Maker

Class

electrical

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

wood (mahogany, boxwood); metal (brass, steel, copper, white metal); cloth (silk); paper

Dimensions

length 130mm; breadth 73mm; height 38mm

Special Collection

Steward collection

Provenance

Collection purchased from member of the Steward family, 1974.

Inscription

Description Notes

Mahogany box with hinged lid; brass hinges and push-button fastener. Two brass terminals on outside of box at one side; front of box carries four further brass terminals. Inside the box is an induction coil wound on a boxwood cylinder and covered with green silk. Two further brass terminals. Pair of brass cylinders, one of which fits inside the other. Two silk-coated copper wires with brass pins which fit the terminals on the front of the box. Paper label stuck into lid carries recipe which reads ‘for 1 Quart of Water 3 1/4 oz Bicromate of Potassium (red) 6 1/2 oz Sulphuric Acid’.

Condition good; complete.

References

Events