366
Several musicians and singers were recorded this building and C. 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.L.1890 photograph W.
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.
This was "recording laboratory" and the development the Gold Moulded
Cylinder and the Edison Amberol longer playing cylinders took place here. 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.K.
364 "The Edison Magnetic Separator," The Iron Age (December 1888), 847, and Dickson and
Dickson, The Life and Inventions Thomas Alua Edison, pp. The small rooms the back Building were turned
into recording studio and experimental area for recording and duplication. wooden floor much cheaper than herringbone brick
floor and this might have been the motivation change.N.
366 Dickson and Dickson, The Life and Inventions Thomas Alva Edison, 323. may well have changed the original specifications for the
floor this building. Noyes’
book, The C.Building Period 1887*1900
The ca. Handbook, contains rare photographs Edison recording
110
. 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.365 collection ores and minerals smaller containers
was also kept the library Building 5. figure 44, published the December
1888 issue The Iron Age, the floor the building wood.
Dickson also reported that Building contained Edison’s collection ores and
minerals barrels, kegs, and boxes while other samples were stored in
supplementary sheds.W.364 These machines appear to
be Building judging the windows. 4," see TAE Miller, [?] 1911 (in DF
1911, WOL).W. Dickson the interior this building shows a
shambles work tables, stamp mills, crushers and rolls (figure 45). 323-24.
366 NPS, "HSR, Metallurgical Laboratory, Building No.
There are several woodcuts Edison’s ore milling machines published in
Dickson’s memoirs and issues The Iron Age
