[D8206D], Letter from Houghton Farm, David Pearce Penhallow to Thomas Alva Edison, May 8th, 1882

Item

Abstract

Would like a instrument that can obtain and record the hourly variations in the temperature of plants and soil using electricity[TAE replies: "Write to Prof G F Barker who I think has done something in this line Small thermo batteries may be placed in the Earth property protected and wires run from them to the Laboratory attached to galvanometers"]

Date

1882-05-08

Decade

1880-1889

Type

Identifier

D8206D

Folder Set

D8206

Title

[D8206D], Letter from Houghton Farm, David Pearce Penhallow to Thomas Alva Edison, May 8th, 1882

Microfilm ID

60:489

Publisher

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