Accession No

0792

Brief Description

section of telegraph cable, by S. Z. de Ferranti, English, 1890

Origin

England

Maker

de Ferranti, S. Z.

Class

electrical; physics

Earliest Date

1890

Latest Date

1890

Inscription Date

1890

Material

wood (mahogany); glass; metal (copper, white metal, brass); plastic (ivorine); organic (resin)

Dimensions

height 165mm; depth 197mm; breadth 47mm

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple from H. Marryat, London, England, on 12/09/1935.

Inscription

‘The First Concentric Cable and First Paper
Cable. Designed and made by S.Z. de Ferranti
in 1890 for 6 1/2 miles service at 11000 volts
from Deptford to London. Dismantled 1933.’ (ivorine plaque inside case)

Description Notes

Glazed mahogany presentation case with brass attachment for hanging on wall. Contains cross section of telegraph cable: central copper ring surrounded by resin, then a second copper ring, then further resin and all bound by a white metal outer ring.

Condition good; complete.

References

Events