258с

1921г

3c 5057

GLASS MANUFACTURE

BY

WALTER ROSENHAIN, B.A., D.Sc, F.R.S.

SI'VERIM'KNDKN T OI THE UKI'AKTMKST Ol-' M K TA 1.1,1" i;i. V AND MKTVLLL'RGICAL CM J'.M J STKY AT THE NAUONAL 1'HVSICAL LABORATORY ; V AST-J'KES1DENT AM) l'ELLÜ'A' OF THE fH'TICAl. SOCIKTY: VlfK-l'RI'^IPFV r ny 1 H K SOCIETY OF GLA5S TECHNOLOGY