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