[D8137ZAA], Letter from Thomas Logan to Thomas Alva Edison, May 6th, 1881
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Title
[D8137ZAA], Letter from Thomas Logan to Thomas Alva Edison, May 6th, 1881
Editor's Notes
Record of laboratory work: brush holders for NYC, regulator lamps, disc armature, nickle mould for Haid, testing the boiler, copper cells, motor governor. For lamp factory: armatures, spring clamps for soldering wires, brushes for dynamos, furnace patterns, socket moulding machines. Ran Porter engine c. 470 rpm all day; liquid cooler seems to work well.
Author
Recipient
Mentioned
Date
1881-05-06
Type
Folder/Volume ID
D8137-F
Microfilm ID
59:78
Document ID
D8137ZAA
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University