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