Successful Exploration Through the Interior of Australia by William John Wills
page 36 of 347 (10%)
page 36 of 347 (10%)
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7. One twelve-inch brass sector: 1 pound.
8. One set of six-inch ivory plotting-scales, with offset scales complete: 4 pounds. 9. Two steel straight-edges, three feet each. 10. Four sixty feet land chains. 11. One small compact case of good sector-jointed, drawing instruments with ivory parallel ruler: 3 pounds 3 shillings. 12. One very small achromatic telescope of the strongest make, not to exceed six inches in length, when closed: 1 pound. 13. A small chemical blowpipe with ivory mouthpiece, and two platina tips; also some platina foil and wire. 14. Two Nautical Almanacs, 1858 and 1859. Leather cases and straps for theodolite, circle, and prismatic compass. A catalogue of instruments with prices. N.B. I should wish the theodolite and circles to be packed very differently from the usual way, as many instruments are seriously injured by the box warping either inwards or outwards; in the one case pressing too much on the instruments, and in the other, which is worse, leaving them too much space, so that they shake about whenever the box is carried. The consequence is that the screws loosen, the glasses fall out of the telescopes, and the instruments |
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