Nikola Tesla U.S. Patent 514,169 - Reciprocating Engine Patent Wrapper Page 25

70 portionate to the displacement it being assumed that the impulses impelling the piston are properly. applied. This is an expression of a well known physical law and we do not see how it can be more clearly expressed. The specification points out in detail how this result is obtained in specific cases, but we do not understand that we are required or would be permitted to inject those portions of the specifica tion in to the claims. We have again carefully considered the references and fail to find in them the slightest suggestion of any such construction or mode of operation as applicant claims. We must also insist upon Claim 5 and for the reasons heretofore given and ask that the case receive. final action. Respectfully, Dunean stage alleys for Resta