The change in virtual length by removal of the flange was thus found, and the open end correction for the unflanged pipe was o 6 R.
From the lower flange of a suspended !; runway, made of a single I section, run wheels, from the axles of which the transporter is suspended.
Broad, having at the inner side an upright ledge or flange, 3 in.
Subsequently, to increase the strength, a similar flange was added below the rail.
At one end of each rail the flange spread out to form a foot which rested on a cross sleeper, being secured to the latter by a spike passing through a central hole, and above this foot the rail was so shaped as to form a socket into which was fitted the end of the next rail.