|
1862foreignnavies (529 words) |
 | Screw and paddle-wheel gunboats of 2 to 6 guns numbered 197. |
| In France, the fleet numbered thirty-seven screw liners of up to 130 guns each; fifteen screw frigates and eighty-four steam corvettes and sloops, plus at least twenty-five gunboats. |
| There were ten screw line-of-battle ships, nine screw frigates, and twenty-six screw sloops and corvettes. |
|
Encyclopedia4U - Screw - Encyclopedia Article (1840 words) |
| A screw is a shaft with a helical groove formed on its surface. |
| Screws with left-hand threads are used in exceptional cases, when the screw is subject to anticlockwise forces that might undo a right-hand thread. |
| The diameter of a metric screw is usually specified in millimetres (mm) prefixed by the capital letter M, as in "M5" for a 5mm diameter screw. |
Feeds |
Contact