A GERMAN BLOWPIPE ANALYSIS SET
Carl Osterland, circa 1870
signed on the ivory assay scale Carl Osterland in Freiberg, a Tennant-type blowpipe with accessories including: coloured glass, sample minerals, pestles and mortars, ivory fleaglass, crucibles, scales, tripod stand and others.
13in. (33cm.) wide in case.
A GERMAN BLOWPIPE ANALYSIS SET
Carl Osterland, circa 1870
signed on the ivory assay scale Carl Osterland in Freiberg, a Tennant-type blowpipe with accessories including: coloured glass, sample minerals, pestles and mortars, ivory fleaglass, crucibles, scales, tripod stand and others.
13in. (33cm.) wide in case.