[D8133ZAS], Letter from Theodore Waterhouse to Edward Hibberd Johnson, November 12th, 1881

https://edisondigital.rutgers.edu/document/D8133ZAS

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Title

[D8133ZAS], Letter from Theodore Waterhouse to Edward Hibberd Johnson, November 12th, 1881

Editor's Notes

Report on TAE's UK lamp patents. Waterhouse is a solicitor. Report is by Bidwell, who is a barrister and member of Society of Telegraph Engineers, and was juror at Paris Exhibition. Bidwell's opinion is that TAE's patent of 10nov1879 gives him monopoly of the incandescent lamp, provided: 91) no prior publication by Swan or anyone else; (2) that Swan's patent of 2jan1880 doesn't prevent TAE from exhausting air from his lamp while carbon is incandescent.

Date

1881-11-12

Decade

1880-1889

Type

Folder/Volume ID

D8133-F

Microfilm ID

58:706

Document ID

D8133ZAS

Publisher

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