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