Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 30
FIG. 41BENDS 28 BOY ENGINEERING … FIG. 42A DRINKING TUBE because the tube tends to cave in on the inside of the bend (2) or flatten on the outside (3), or both. Make the bend as follows : Heat a piece of No. 2 tube about 2 inches from one end in the lamp flame, turn it constantly and move it back and forth endwiseto heat a length…
Glass blowing and working
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum (1865)](https://img.insideoutlibrary.com/img/200/ia-19991842.5823.emory.edu-151-27.webp)
