W.W.364 These machines appear to
be Building judging the windows. The problem
with this photograph that shows wooden floor and walls while know that
the specifications for this building were for brick floors and walls.1890 photograph W. may well have changed the original specifications for the
floor this building.
366 Dickson and Dickson, The Life and Inventions Thomas Alva Edison, 323. Handbook, contains rare photographs Edison recording
110
.L.
364 "The Edison Magnetic Separator," The Iron Age (December 1888), 847, and Dickson and
Dickson, The Life and Inventions Thomas Alua Edison, pp. Dickson the interior this building shows a
shambles work tables, stamp mills, crushers and rolls (figure 45). The small rooms the back Building were turned
into recording studio and experimental area for recording and duplication. 4," see TAE Miller, [?] 1911 (in DF
1911, WOL). therefore
possible that this photograph does not depict the interior Building the
other hand know that Edison asked for many changes during the construction
of the laboratory.N. Although these
sources contain images blower separators and crushing rolls, and Dickson’s
laboratory notebooks contain drawings individual equipment, there overall
description the machinery and its layout Building 4.
Building Period II: 1901-1914
The interior this building was probably changed the end the nineteenth
century when record experiments replaced ore milling experiments the major
function this building.K. Noyes’
book, The C.
Dickson also reported that Building contained Edison’s collection ores and
minerals barrels, kegs, and boxes while other samples were stored in
supplementary sheds.366
Several musicians and singers were recorded this building and C. figure 44, published the December
1888 issue The Iron Age, the floor the building wood.
This was "recording laboratory" and the development the Gold Moulded
Cylinder and the Edison Amberol longer playing cylinders took place here. 323-24. wooden floor much cheaper than herringbone brick
floor and this might have been the motivation change.
There are several woodcuts Edison’s ore milling machines published in
Dickson’s memoirs and issues The Iron Age.Building Period 1887*1900
The ca.365 collection ores and minerals smaller containers
was also kept the library Building 5.
366 NPS, "HSR, Metallurgical Laboratory, Building No
