---- Jets for the, 7.
---- Use of the, 8.
_See also_ Flames.
Blow-pipes, Use of several in combination, 21.
Brush Flame, 9.
---- Oxidising, 20.
Bulbs, Methods of blowing, 47.

Calibrating Apparatus, 76-81.
Camphorated Turpentine, 11.
Cetti's Vacuum Tap, 66.
Charcoal Pastils, 11.
Choking or Contracting the Bores of Tubes, 35.
Combining the Parts of Complicated Apparatus, 61.
Combustion Tube, how to work it, 25.
Contracting the Bore of a Tube, 35.
Cotton Wool for Annealing, 24.
Cutting Glass Tubes, 26, 27, 28.

Dividing a Line into Equal Parts, 75.

Electrodes, 38, 55.
Electrolysis, Making Apparatus for, 59.

Files for Cutting Glass, 27.
Flame, the Pointed, 8.
---- the Brush, 9.
---- the Oxidising Brush, 20.
---- the Smoky, 10.
Fletcher's Automaton Blow-pipe, 6.
Fletcher's Compound Blow-pipe, 6.
Funnels, Thistle-headed, 57.

Gimmingham's Blow-pipe, 6.
Gimmingham's Vacuum Tap, 68.
Glass, Annealing, 23.
---- Devitrification of, 15.
---- Method of Working with Lead, 17.
---- Method of Working with Soda, 22.
---- Nature of, 12.
---- Presenting to the Flame, 16.
Glass Tubes, Bending, 28.
---- Bordering, 31.
---- Characters of good, 14.
---- Choking,