EDISON, Thomas A. (1847-1931). Autograph endorsement signed (“Thos. A. Edison”), 10 May 1930. On 30 April 1930 typed memorandum from G. E. Stringfellow to Edison. 2 pages, 4to. Matted. Edison’s endorsement and signature in pencil.
EDISON, Thomas A. (1847-1931). Autograph endorsement signed (“Thos. A. Edison”), 10 May 1930. On 30 April 1930 typed memorandum from G. E. Stringfellow to Edison. 2 pages, 4to. Matted. Edison’s endorsement and signature in pencil. Edison approves a cost-saving change in his lab . Stringfellow’s memo makes the case for discontinuing the use of quarter-inch tubes in their “tamp nickel hydrate loading machines.” A longer tube was available. “Certainly we have received nothing from the short tube results that were not available from the long tubes,” and using only the long tubes “will permit a labor saving of $1400.00 a year.” Edison accepts the proposal and writes: “I approve dropping of short tube.
EDISON, Thomas A. (1847-1931). Autograph endorsement signed (“Thos. A. Edison”), 10 May 1930. On 30 April 1930 typed memorandum from G. E. Stringfellow to Edison. 2 pages, 4to. Matted. Edison’s endorsement and signature in pencil.
EDISON, Thomas A. (1847-1931). Autograph endorsement signed (“Thos. A. Edison”), 10 May 1930. On 30 April 1930 typed memorandum from G. E. Stringfellow to Edison. 2 pages, 4to. Matted. Edison’s endorsement and signature in pencil. Edison approves a cost-saving change in his lab . Stringfellow’s memo makes the case for discontinuing the use of quarter-inch tubes in their “tamp nickel hydrate loading machines.” A longer tube was available. “Certainly we have received nothing from the short tube results that were not available from the long tubes,” and using only the long tubes “will permit a labor saving of $1400.00 a year.” Edison accepts the proposal and writes: “I approve dropping of short tube.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
