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