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