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