Tatham awaits reply from you and Upton before formally communicating with the Sec. of Navy; am about to measure your lamps; would prefer you have a representative here while I do it; ask Upton to send representative of Edison Co., too.

Marks, William Dennis

Weston, Edward

Edison Lamp Co

Upton, Francis Robbins

Tatham, William Penn

1885-02-02

1880-1889

Letter

Testing and quality control

Expositions, demonstrations, lectures

Incandescent lamp

X250ABL

X250

[X250ABL], Letter from William Dennis Marks to Edward Weston, February 2nd, 1885

New Jersey Institute of Technology<!--Permission requested 4/27/04; no response as of 8/20-->

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