e used with a padlock or other device to secure the a flexible diaphragm, A, which presses against a convex cover. abutment projecting from the lever, B. The engine is sin- Mr. David Bissell, of Detroit, Mich., has patented a bevel gle acting, the lever, B, being forced upward by the steam, square… … in a hollow metal handle formed with valve chest is the supply and the lower a shoulder to act as a square or gauge, one the exhaust pipe. As steam is Fig. 1—MAYHEW’S STEAM MOTOR. alternately admitted to and exhausted and graduated in inches to form arule, in combination with a blade sliding from…
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