[D8206D], Letter from Houghton Farm, David Pearce Penhallow to Thomas Alva Edison, May 8th, 1882
https://edisondigital.rutgers.edu/document/D8206D
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[D8206D], Letter from Houghton Farm, David Pearce Penhallow to Thomas Alva Edison, May 8th, 1882
Editor's Notes
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"]
Recipient
Mentioned
Date
1882-05-08
Type
Subject
Folder/Volume ID
D8206-F
Microfilm ID
60:489
Document ID
D8206D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University