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