...when being compressed shall not be communicated to the piston and cause errors in the diagram. The Testing of the Spring. The rating or measurement of...indicator drum as the test of the spring proceeds. Each spring is tested in pressure to twice the capacity marked on the same. This method of testing...

...springs is determined with great care and accuracy by special apparatus. The pressure test is made by the direct action of the steam in the cylinder...indicator drum as the test of the spring proceeds. Each spring is tested in pressure to twice the capacity marked on the same. This method of testing...

...communicated to the piston and cause errors in the diagram. The Crosby Steam Engine Indicator. Vig. 280. The Testing of the Spring. — The rating or measurement...is so combined with these mercury columns that the ordinarv division in inches of vacuum and in pounds pressure respectively are automatically marked...

...springs is determined with great care and accuracy by special apparatus. The pressure test is made by the direct action of the steam in the cylinder...hundred pounds pressure per square inch. Suitable ami ingenious electrical apparatus is so combined with these mercury columns that the ordinary division...

...when being compressed shall not be communicated to the piston and cause errors in the diagram. The Testing of the Spring. The rating or measurement of...indicator drum as the test of the spring proceeds. Each spring is tested in pressure to twice the capacity marked on the same. This method of testing...