| 摘要 |
<p>698,967. Stern posts. MECHANS, Ltd. July 28, 1952. [May 7, 1951] No. 10656/51. Class 113 (ii). In and for an aluminium lifeboat having an aluminium keel 8, a fabricated steel stern frame comprising a propeller boss 5 and upper part 4 fixedly connected to the boss, has a lower part including a pair of downwardly-extending opposed plates 6a between which the aluminium keel 8 rests. A skeg 10 provided with the lower rudder-receiving eye is butt-welded to the plates 6a.</p> |
