Report on Life-saving Ordnance and AppurtenancesU.S. Government Printing Office, 1878 - 164 sider |
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Report on Life-Saving Ordnance and Appurtenances David Alexander Lyle Ingen forhåndsvisning tilgjengelig - 2015 |
Report on Life-Saving Ordnance and Appurtenances David Alexander Lyle Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
300-yard stake anemometer attached axial cavity base to center bore braided breech bronze gun caliber Captain Manby's carriage carried cascabel casting center of eye-hole center of gravity centimeters charge coil cord cubic inches Diameter of eye-hole Dimensions Distance of center elevation of experimental experimental projectile experiments fakes faking-box faking-pins feet firing record frame front frustum fuse gravity from base ground hauled hawser iron Italian hemp line Kilograms knot life-saving rocket linen line Manby Manby's shot Marks metal miles per hour mortar muzzle Number ogival head Ordnance ounces piece pins placed plane of base plane of fire plane of reference Plate pounds powder Radius of head range Rear elevation rifled mortar rimbases rope sabot Sandy Hook shank shell shore shot-lines Side elevation Silver Lake Company Sinches smooth-bore projectiles specific gravity specimen stranded studs Synoptical transcript Total length Transverse section trunnions vessel washer Weight whip wreck wrought iron
Populære avsnitt
Side 129 - ... and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same : reference being had to the annexed drawings, making a part of this specification, in.
Side 152 - Make the tail of the block fast to the lower mast, well up. If the masts are gone, then to the best place you can find. Cast off shot line, see that the rope in the block runs free, and show signal to the shore.
Side 26 - Great cure should be taken that none but the best thread be put in such lines, and that in braiding a continuous line, when the spools are changed, they should not all be changed at the same moment, else a weak spot is the result. Bleaching of any kind is harmful. Hemp is too brittle, and becomes very harsh after a few shots.
Side 28 - ... hauled out to sea. In the service boxes, the frames and boxes are held together by two staples and a hook. The latter was always coming out, exposing the frame and line to the chances of falling and becoming entangled in transportation. Hasps and turnbuttons were tried on the experimental boxes; these, though safe, sometimes gave trouble in getting ready for firing when in great haste, and, the button being on the box, it was thought to give an opportunity for the line, when vibrating or whipping,...
Side 119 - Regent, praying that he would be graciously pleased to order that Captain Manby's invention should be stationed on different parts of the coast, &c. and assuring him that the house would make good the expense.
Side 118 - ... and property : and moreover, if a ship was driven on shore near such a place, the apparatus might easily be removed to afford assistance ; and the whole performance is so exceedingly simple, that any person once seeing it done, would not want any further instruction.
Side 113 - Had such boats been provided with a piece of this description, and the same firmly secured oo a stout piece of plank by the holes left at each corner of the iron bed, they might have projected a small rope coiled in a crate or basket made to the form of the bow of the boat, and the persons in the boat so provided, would not have remained the distressed spectators of the untimely end of their fellow creatures, without being able to afford them the smallest relief, although so little was then wanted...
Side 115 - ... 3. Thirdly, to render the flight of the rope perfectly distinguishable to those who project it, and to the crew on board the vessel, so that they cannot fail of seeing on what part of the rigging it lodges, and consequently may have lie difficulty in securing it.
Side 151 - A Whip of Manilla line, not exceeding 1^-inch, rove through a single tailed block. The "Whip" to be made of left-handed rope the reverse of the hawser, and to be twice as long as the hawser, and the tail of the block to be at least two fathoms in length. The ends of the " Whip " to be spliced together, so as to convert it into an endless rope.
Side 143 - This is 1".5 long ; it is made of paper ; it contains an inch of ordinary fuse composition ; it is conical in shape, and its sides are covered with kamptulicon, being brought up to fit the vent in the base of the life-saving rocket ; it has a paper cap tied...