Norton Alundum Refractories

Bottle, containing Specimen R.R. Alundum

Specimen; Bauxite

Specimen, Reg Alundum, crude

Specimen; White Alundum, crude

Specimen; Crystolon, crude

Specimen; bottle of cement, R.A. 162

Specimen: bottle of cement R.A.355

Filter discs 2 x 3/32

Filter discs 3 x 1/8

Filter discs 4 x 3/16

Filter discs 5 x 3/16

Filter disc 1 x 1/16

Extraction thimble

Extraction thimble

Extraction thimble

Extraction thimble

Extraction thimble

Crystolon muffle 202

Crystolon muffle

Crystolon muffle 2505

Muffle 201

Cone with stand R.A. 320

Cone with stand R.A. 320

Cone with stand R.A. 320

Filter dish 4857, R.A. 98

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