CHAPTER III.

CUTTING AND BENDING GLASS--FORMING GLASS APPARATUS BEFORE

THE BLOW-PIPE--MAKING AND GRINDING STOPPERS TO APPARATUS,

ETC.

Cutting Glass Tubes--Bending Glass Tubes--Rounding and

Bordering the Ends of Tubes--Sealing--Choking, or

Contracting the Bore of a Glass Tube--Widening

Tubes--Piercing Tubes--Uniting Pieces of Glass to Each

Other, Known as Welding, or Soldering--Blowing a Bulb or

Globe of Glass--Making and Grinding Stoppers, 26-54

The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame For the use of chemical and physical students · 第 3 / 8 章