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

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Reproduce. 828 Notebook N-10-02-02. Object and Location Evidence Recommendation Table 3 LAB TABLE (in place) Figure 29; physical evidence. FLASK with nickel sludge (on table) Paul Laverty correspondence. Use EDIS 5817 and EDIS collection. TRIPOD (on table) Standard laboratory equipment. TEST TUBE RACK (on table) Standard laboratory equipment. Christiansen was also involved mixing chemicals for records. Use EDIS 21353 (large burette) and EDIS collection. The choice beakers based the assumption that these mixtures would have stirred and watched for settling and congealing.figure 29. Use EDIS 21350 and EDIS collection. Use EDIS 6089. This was a somewhat trial and error experiment mixed broad variety chemicals together and noted the results: "dont mix, mix good, hard brittle, soft. 212 . BUNSEN BURNER (on table) Standard laboratory equipment Use EDIS 1478. BEAKERS, (on table) Figure 29. Round-bottom FLASK with stopper and tube (on table) Figure 29. Use EDIS 6154. BURETTES, two large and 2 small (on table) Figure 29. Use EDIS 7308. Although not certain that Christiansen was actually working at Laverty’s table the time the photograph was taken, the presence oflithium hydrate this table, recorded the 1914 inventory, reason enough place him here. Use EDIS 355.”628 With both these experimenters making large numbers experiments involved in mixing chemicals together, has been decided place numerous beakers the table. The mixing might have been carried out test tubes, sample bottles, or whatever. SUPPORTS, (on table) Figure 29. The point to number the containers and place them close the notebooks which record the outcome