O. inscription inside the album cover reads, "Presented A.
229 Edison Pioneers Records, Box 20.
232 Minutes Meeting the Board Directors Edison Phonograph Works, March 1921, Minute
Book the microfilmed collections the Charles Edison Fund, reel 6. Gibbs, the
phonograph product engineer, for "developing lecture ‘sound and the
70
. Tate by
his friend Thomas Edison, Orange, NJ.inventory the stock room was made after the 1914 fire and none had been
made 1917.231 1920 the
jewel department undertook the development new method producing
diamond points with the laboratory also making spindle units for diamond
rounding machines., December 1893,
231 Floor Plan, second floor, building November 26, 1916; "Thomas Edison Personal Floor Areas
Laboratory Building," November 25, 1918 (in 1918, WOL--General).K.
Building Second Floor
A photograph (figure 116) taken W.L.
By 1914, most the experimental offices along the side the precision machine
shop adjacent Lakeside Avenue had been removed and their staff disbanded
and moved elsewhere.
230 Figure 116 appears Album 12, catalog 560, W.232
In 1920, experimental rooms the second floor were used Dr.229
229 "Thomas Edison Laboratory Payroll Comparison’s [sici“, December 14, 1920, D-Box Collections -
Box D10 West Orange. There evidence that the role this department changed. In
1920 the stock room was supervised Frank McDermott. Dickson prior 1894 shows the wall
and least one door the rooms lining the south side the precision machine
shop.K.230 careful examination the floor and ceiling the machine shop
indicates that the line offices stretched from room the elevator, along the
length the shop.228 One his
assistants was James Bums who worked the stock room from 1925 1931. One room, presumably room and the elevator enclosure
were all that remained. These rooms served experimental rooms, each fitted for
a specific project task.L.
In 1916, Edison, Hutchison, and Charles Luhr worked their offices along the
courtyard side the second floor, but there were experimental rooms left by
1918, only rooms for cabinet design and the jewel department.
In 1918, the machine shop occupied all the floor space from the stairs the
east end; roughly matched the floor space the heavy machine shop below it. Dickson’s name appears both the lower left
and lower right corners the image
