… films. These convert mechanical vibrations (obtained with a stylus which follows the groove in the recorded medium) into … Mounted or unmounted worked sapphires and diamonds for styli . (9) Record cutters . These are component parts of …
… the essential character of lanolin, for example lanolin ethoxylated to such an extent as to be water soluble … a faint odour of wool grease. It is soluble in alcohol, diethyl ether, motor spirit, etc. It is used as a textile …
… self‑contained (where the breathing circuit is fed from a cylinder of oxygen or compressed air) or may be connected by … a hose to compressors, compressed air supply pipes, storage cylinders or (in the case of certain short distance …
… type of felt. (2) Felt manchons usually made of fur on a cylindrical form (between 40 and 50 cm in height and about … by milliners, and are classified in this heading whether in cylinders or slit into rectangular form. The …
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