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

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