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