SEPTA cab signal display for the 4-aspect PRR system using position light aspects. Pulse code cab signaling is a form of cab signaling technology developed in the United States by the Union Switch and Signal corporation for the Pennsylvania Railroad in the 1920s.
Measuring your Saddle Seat Size. The easiest way to measure for the appropriate seat size is to measure your upper thigh. Sit in a chair with your feet flat on the ground so that your knees are bent at a 45-degree angle. Be sure your buttocks are touching the back of the chair. Take a measuring tape and run it along your thigh bone, measuring from the end of your knee to the backside of your buttocks.
The easiest and fastest method to break in a new saddle is with a liquid leather dressing, such as neats-foot oil, Lexol, seal oil (a French favorite) or baseball glove oil..These products are available from shoe stores and sporting-goods stores, and over the Internet.idths and Styles. You can test the fit of a saddle by placing it on the edge of a table -- it will sit level on its rails -- and sitting on it. The main issue is whether the rear of the saddle is wide enough to support your sit bones (ischial tuberosities of the pelvis).