Printed below portrait on original print - (c) Charles Wheatstone (1802 – 1875) (Photo: Institution of Electrical Engineers)

Penciled on back – 13-1/2×9-1/2

Photo of print used for exhibition purposes – historical persons in the development of electricity & electrical engineering. Possibly reproduced by Mr J.F. Bryce.

Wrapped in tissue paper.

Sir Charles Wheatstone (b.1802 – d.1875) 1 B&W photo print

1843 developed the “Wheatstone bridge” that accurately measures electrical resistance. 1860’s independently developed ‘self-excited’ generator & initiated the use of electromagnets in electric generators. 1868 was knighted. He also measured the speed of electricity in conductors.

Photo of print used for exhibition purposes – historical persons in the development of electricity & electrical engineering. Possibly reproduced by Mr J.F. Bryce.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”