Experiments on thermo electricity -- related to several 100 alloys being cast; how arranged for testing, diagram fr. 1110; fr. 1111 "We test every metal against copper and allow it to gain a constant temperature before taking the final reading-- we have concluded to use the copper clamp both for securing the wires and the bars together; fr. 1115 evening have new clamp with diagram fr. 1116

Edison, Thomas Alva

Thomson, William, (Lord Kelvin)

1879-04-08

1870-1879

Technical Note

Metals and minerals

Heat and thermodynamics

Electricity and magnetism

N021001

N021

[N021001], Technical Note, Thomas Alva Edison, April 8th, 1879

30:1105

Thomas Edison National Historical Park

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University