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