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
