Arms & Explosives Volume 11, No. 124 - V. 12, No. 147

Arms & Explosives Volume 11, No. 124 - V. 12, No. 147

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...idiosyncrasies. In summing up the single-trigger question after ten years of experience, we must, therefore, admit the utility of the principle, while deploring the fact that amid the multitude of guns sold in this country, in only a small proportion is this form of mechanism to be found. Weights and Measures.--A circumstance that recently came to our notice, provides a very curious commentary on the manufacturing capacity of a firm in this country. For accuracy of work, Becker weights are known the world through. Their refinement of finish and their precision is as remarkable as the lowness of the prices at which they are supplied. A box of grain weights can be purchased from this firm for the price of 12s. 6d., the set consisting of twenty-one actual pieces which are correct to an exceedingly small fraction. As this firm does not lay itself out to supply avoirdupois weights we recently placed an order with a well-known English firm, asking them to supply us at their own terms with a box of pound and ounce weights of the finish and refined accuracy that distinguishes the metric and other weights of foreign manufacture. The firm in the first place forgot all about the order for a period of about eighteen months, and then having suddenly discovered it in some forgotten place, they hastened to complete the work and delivered the weights. Though cased in a handsome mahogany box, the lack of finish in the weights themselves was remarkable. The heads had been smashed and bent over by the clumsy use of the marking stamps. Their bases were rubbed away with rough files, leaving them with sharp edges considerably out of truth. On the point of accuracy they were so deficient that in mo_st of the smaller weights which were tested, errors more

Product details

  • Paperback | 384 pages
  • 189 x 246 x 20mm | 685g
  • United States
  • English
  • black & white illustrations
  • 1236961552
  • 9781236961556