… (other than lathes (including turning centres)) which can carry out different types of machining operations on a … These centres must satisfy two conditions : they must carry out several machining operations and they must have … transfer machines , in which the workpiece is automatically transferred to the different unit heads (see Part (C) …
… or sports‑ground rollers. 8432.10 ‑ Ploughs ‑ Harrows, scarifiers, cultivators, weeders and hoes : 8432.21 … so that it acts both as an implement and as driving wheels carrying the whole. Self‑propelled agricultural, …
… covers the salts of oxometallic and peroxometallic acids (corresponding to metal oxides which constitute anhydrides). … “tin green”. (11) Antimonates . Salts of the various acids corresponding to antimonic oxide (Sb 2 O 5 ); somewhat …
… to the diameter of the gear wheels. A permanent magnet carrying a coil at one end is fitted near each tone wheel … causes variations in the fields which in turn set up weak current changes in the coils. These currents, which are of predetermined frequencies, are …
… with one or two auxiliary or additional milling machine carriages, which replace an equal number of planing carriages. These machine‑tools called “planing and milling … while others are fitted with devices to allow them to carry out slotting work. (2) Shaping machines which are …
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