Two examples of Spratt's lightning conductors

Made:: 1860

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Two examples of Spratt's lightning conductors, 1860

Details

Category:: Geophysics

Object Number:: 1893-131

type:: conductor

credit:: Symons, G.J.

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Parts

Spratt’s Patent Copper Lightning Conductor

Spratt’s Patent Copper Lightning Conductor

Woven copper lightning conductor. Made by James Spratt in London around 1860.

Benjamin Franklin invented the lightning rod in 1749. In 1860, electrician James Spratt patented his innovative woven copper lightning conductor which represented an advance in safety.

Spratt is perhaps better known as the first manufacturer of dog biscuits. He employed Charles Cruft, who went on to establish Crufts, the world-famous show for dog breeders.

Measurements:: overall: 3 mm x 130 mm x 23 mm,

Materials:: copper (metal)

Object Number:: 1893-131 Pt1

type:: lightning rods

Second Example of Spratt's Lightning Conductor

Spratt’s Patent Lightning Conductor

Encased copper lightning conductor. Made by James Spratt in London around 1860.

Benjamin Franklin invented the lightning rod in 1749. In 1860, electrician James Spratt patented his innovative woven copper lightning conductor which represented an advance in safety.

Spratt is perhaps better known as the first manufacturer of dog biscuits. He employed Charles Cruft, who went on to establish Crufts, the world-famous show for dog breeders.