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