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