Pyrometer tube, 12" long
Extraction thimble
Pyrometer tube, 22" long
Extraction thimble
Crystolon muffle 2505
Filter dish 4857, R.A. 98
Cone with stand R.A. 320
Crystolon muffle 202
Serex crucible R.A.84
Cover 6157
Cover 6156
Extraction thimble
Specimen, Reg Alundum, crude
Comb boats R.A. 84
Comb boats R.A. 84
Extraction thimble
Electric furnace core, dish type with cover
Specimen: bottle of cement R.A.355
Specimen; bottle of cement, R.A. 162
Cone with stand R.A. 320
Specimen; White Alundum, crude
Comb boats R.A. 84
Serex crucible R.A.84
Bottle, containing Specimen R.R. Alundum
Cone with stand R.A. 320
Comb boats R.A. 84
Comb boats R.A. 84
Serex crucible R.A. 84
Comb boats R.A. 84
Serex crucible R.A. 84