Main part of set
Main part of set, 9 of 12 specimen tubes, containing samples of solutions for spectroscopic comparison purposes, in small red leather covered case, c.1870. 1) Nitrate of didymium 2) Hofman's violet 3) Cobalt in calcium 4) Nitrophenic acid 5) Cyanide of cobalt 6) sulphate of indigo 7) Cobalt in alcohol 8) Chromic sulphate 9) Oxylate of chromium and soda. each sample in a sealed glass phial (see note).
- Measurements:
-
overall (case closed): 28 mm x 197 mm x 130 mm, , .23kg
phial (maximum): x 90 mm x , 13 mm,
- Materials:
- glass , wood , leather , textile , velvet , liquid , chemical solutions , metal and brass (copper, zinc alloy)
- Object Number:
- 1951-225/1
- type:
- samples
