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Dunstan Times, Issue 418, 22 April 1870, Page 3

Science and abt.—A striking instance of the immense value a small piece of steel may acquire by the great power of skilled mechanical] labor is the balance spring of a watch. From its extreme fineness thousandfweiuh not more than ono ounce, and exceed in value'£l,ooo. A most interesting little work, describing the rise and progress of watchmaking, has been published by J. W. Benson, of 25, Old ’Bond-street, and the City Steam Factory, 58 and 60. Ludgate. hill, London. The book, which is profusely illustrated, gives a full description of the various kinds of watches and clocks, with their prices. Mr. Benson, who holds the appointment to the Prince of Wales, has also published a pamphlet on Artislie Gold Jewellery, illustrated with beautiful designs of Bracelets, Brooches, Ear-rings, Lockets, &0., suitable for wedding, birthday, and other presents. These pamphlets are sent post free for two stamps each, and they cannot he too strongly recommended to those contemplating a purchase, especially to residents in the country or abroad, who are thus enabled to select any article they may require, and have it forwarded with