… are required, the web of fibres is divided lengthwise into numerous elements which are then rolled or rubbed into the … worsted spinning. After leaving the combing machine, the continuous sliver produced is stretched and broken into …
… Certain printed articles may be intended for completion in manuscript or typescript at the time of use but remain in … to the primary use of the products. (c) Letters, numbers, sign‑plates and similar motifs for shop signs and …
… or packing of liquids or of solid products (powders, granules, etc.). They include : (A) Carboys, demijohns, … formerly produced by blowing, are now almost invariably manufactured by machines which automatically feed molten …
… A modern modification of the process is based on the continuous reduction of zinc oxide and distillation of zinc … painting or spraying). * * * Zinc is also used in the manufacture of alloys; many of these (e.g., brass), contain …
… photography, as a catalyst in organic chemistry and in the manufacture of mercuric oxide. (3) Mercury iodides . (a) … defined ( tannates of mercury, albuminates of mercury, nucleoproteids of mercury, etc.) . The heading does not …
… equipment . This consists of the actual signals (usually a number of coloured lights, or moving arms or discs, mounted … level crossings, etc., or for controlling the passage of a number of trains over the same sections of line. The latter …