The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 61
aft-side of tlie hoist-in^-frauie, for iriscrtintt a forelock in the end of the sliaft, to securethe pr()i)eller iji I)ackiufr astern, which forelock would revolve withthe shaft on the pin at ,r. The surface of tlie rudder may be aslar^e as that of the innnersed part of the common rudder,… … A large and very strongly formed rudder-band is fitted at theui)i)er p.^rt of the rudder, with a large hole through it, of a square,hexagimal, or other form, into which the rudder-head r is fittedf(U- turning the rudder ; the lower rudder-bands might also heformed similarly, and the braces fitted…
Architecture · Civil engineering · Science
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