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

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EDIS collection. Object and Location Evidence Recommendation Table 4 LAB TABLE with RACK (in place) Physical evidence. r 631 Notebook N-10-09-29. Phonograph records contained wide variety of different chemicals and organic substances.631 The chemicals this table 1914 suggest that Lancaster experimented with dissolving shellac part the process making the solvents. this table an experimenter was involved mixing some the substances used records, such as oleic acid, and producing intermediate substance, based naphthalene, which was used solvent preparing solutions record materials, including shellac. TRIPOD (on table) Standard laboratory equipment. This was delivered Petit solvent use his experiments shellac. EDIS collection.W.630 n annotated copy Henry Watts, Dictionary Chemistry (London: Longman’s, 1883), vol. BEAKERS, small (on table) Standard laboratory equipment. Lancaster was work this table chlorinating naphthalene make substances such tetrachlornapthalene dissolve shellac. 1-24 laboratory horary. Use EDIS 6154 and EDIS collection.Table Materials for Records. 218 . Round-bottom FLASKS, (on table) Standard laboratory equipment. Use EDIS 7099 and EDIS 7098. According Laverty, H. IV, pp. Use EDIS 348. BUNSEN BURNERS, (on table) Standard laboratory equipment. Each chemical organic substance might the end product series complex transformations