When this is done throughout the length of the bridge, the latter is said Rack Lashing. to be aquot; racked down. ... The methods of making the knots given above appear to be the simplest for purposes of instruction ; there are, however, other ways which will speedily suggest themselves ... To form a gyn or tripod trestle, the distance from the butts at which the centre of the lashing is to be is marked on each spar.
|Title||:||Text book of fortification and military engineering ...|
|Author||:||Royal Military Academy (Great Britain)|