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