


Pyrometer tube, 22" long

Specimen: bottle of cement R.A.355

Specimen; bottle of cement, R.A. 162

Specimen; White Alundum, crude

Extraction thimble

Crystolon muffle 202

Crystolon muffle 2505

Cone with stand R.A. 320

Cone with stand R.A. 320

Cover 6156

Serex crucible R.A.84

Cover 6157

Serex crucible R.A.84

Filter dish 4857, R.A. 98

Specimen, Reg Alundum, crude

Pyrometer tube, 12" long

Bottle, containing Specimen R.R. Alundum

Comb boats R.A. 84

Comb boats R.A. 84

Comb boats R.A. 84

Extraction thimble

Extraction thimble

Extraction thimble

Extraction thimble

Cone with stand R.A. 320

Comb boats R.A. 84

Serex crucible R.A. 84

Comb boats R.A. 84

Serex crucible R.A. 84

Electric furnace core, dish type with cover
