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