Edison instructed Petit: want get very hard recording record master],
work shellac and tetrachlomapthalene.“613
Ludwig Ott also carried out experiments involved record materials, including
distilling asphalt residue, which was used filler record blanks. The balance the next table would have been used measuring the
weight this.
Various CHEMICALS (on
rack)
[Use samples chemicals
listed below.
Object and Location Evidence Recommendation
Table 8
LAB TABLE with RACK (in
place)
Figure 34. the other, the nickel flake and ore samples this table were
related analysis materials involved the storage battery project. one hand the bees wax and shellac were both used experimental
cylinder records. Use EDIS 476.
HOT PLATE (on table) Common equipment used to
heat solutions.
6,3 Notebook N-10-09-29. Reproduce various chemicals. The 1914 inventory records the chemicals for two major
projects this table.
BUNSEN BURNERS, with
STANDS, (on table)
Common equipment used to
heat solutions.
614 Notebook N-l1-10-30.
MIXING BOWL (on table) Common equipment used to
mix solutions.
EDIS collection acquire. The
nickel flake produced electroplating was the critical element Edison’s
alkaline battery. This table with two experimenters and two unrelated
projects.
Albert Petit was involved the project alter shellac with solvents make it
into recording medium.Table Chemicals For Cylinder Records and Ore Testing for Storage
Battery Project.]
Figure 34.
192
.614
The various forms nickel flake and ore samples being analyzed were part the
process testing materials that was crucial the storage battery project. Also under analysis was the residue found the bottom test
cells.
EDIS collection acquire. received solvents made Lancaster table 4.
EDIS collection acquire
