Edison Tasimeter, 1878

Summary

This tasimeter is a heat-measuring device, invented by Thomas Edison. On July 29, 1878, Edison travelled to Wyoming as part of the "Draper Expedition" to study a total solar eclipse along its path of totality. Mounting a tasimeter to a telescope, Edison conducted experiments to measure the energy levels of the sun's corona, amplified by the eclipse.

This tasimeter is a heat-measuring device, invented by Thomas Edison. On July 29, 1878, Edison travelled to Wyoming as part of the "Draper Expedition" to study a total solar eclipse along its path of totality. Mounting a tasimeter to a telescope, Edison conducted experiments to measure the energy levels of the sun's corona, amplified by the eclipse.

Artifact

Tasimeter

Date Made

1878

 On Exhibit

On Loan - Rutherford B. Hayes Presidential Library & Museum

Object ID

29.1980.288

Credit

From the Collections of The Henry Ford. Gift of the Edison Pioneers.

Material

Brass (Alloy)
Steel
Carbon
Rubber

Dimensions

Height: 4.75 in

Width: 5.813 in

Length: 5 in

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