EDISON LABORATORY Edison National Historic Site West Orange, New Jersey Volume 1

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Use EDIS 476. Edison instructed Petit: want get very hard recording record master], work shellac and tetrachlomapthalene. The balance the next table would have been used measuring the weight this. Also under analysis was the residue found the bottom test cells.Table Chemicals For Cylinder Records and Ore Testing for Storage Battery Project. Reproduce various chemicals. one hand the bees wax and shellac were both used experimental cylinder records. 192 . EDIS collection acquire.] Figure 34. The 1914 inventory records the chemicals for two major projects this table. received solvents made Lancaster table 4. 6,3 Notebook N-10-09-29. Albert Petit was involved the project alter shellac with solvents make it into recording medium. 614 Notebook N-l1-10-30.614 The various forms nickel flake and ore samples being analyzed were part the process testing materials that was crucial the storage battery project.“613 Ludwig Ott also carried out experiments involved record materials, including distilling asphalt residue, which was used filler record blanks. EDIS collection acquire. Object and Location Evidence Recommendation Table 8 LAB TABLE with RACK (in place) Figure 34. MIXING BOWL (on table) Common equipment used to mix solutions. BUNSEN BURNERS, with STANDS, (on table) Common equipment used to heat solutions. Various CHEMICALS (on rack) [Use samples chemicals listed below. the other, the nickel flake and ore samples this table were related analysis materials involved the storage battery project. This table with two experimenters and two unrelated projects. HOT PLATE (on table) Common equipment used to heat solutions. EDIS collection acquire. The nickel flake produced electroplating was the critical element Edison’s alkaline battery