MICA SAMPLES (on table) See Laboratory Notebook.
Reproduce.
BOTTLES, various sizes,
labelled (on shelves)
Figure 23. Reproduce.MICA DIAPHRAGMS, (on
table)
These were made the
Edison Phonograph Works.
Clear CELLULOID RECORD
(on table)
Used for record experiments.
See Voucher 78, November
1910. Use EDIS 1283.
DISC RECORD BLANK (on
table)
Used for record experiments.
WAX BLANK, brown (on
table)
Used for record experiments.
203
. Acquire.
OPEN SHELVING (on south
section wall)
Figure 23. Use EDIS 23792. Use E-1328. EDIS collection reproduce.
DISC MICROSCOPE (on
table)
Used for record experiments. Use EDIS 25211/25212
