The art of glass-blowing

The manual offers practical, step-by-step instruction in shaping and joining glass by lamp and blowpipe to produce laboratory and household apparatus—barometers, thermometers, hydrometers, syphons, funnels, hour-glasses, and tube vessels—along with simple tools and inexpensive lamp and blowpipe designs. Clear procedures explain forming bulbs, bending tubes, and finishing supports, illustrated by numerous engravings and accompanied by hints on economical procurement and common operations. It is written for beginners and practitioners who wish to make, repair, or experiment with glass instruments, emphasizing safety, economy, and reproducible technique.