Weight, Mass, and Force

Abstract

WITH reference to the extract, as to the language employed in which Prof. Greenhill invites my criticism, I have no doubt that to an engineer it would convey perfectly definite and intelligible information, and that one who has mastered the fundamental notions of dynamics as a science would be able to divine its meaning, but Prof. Greenhill would hardly maintain that the language is scientifically accurate, and that, however sufficient as a shorthand for the trained engineer addressing engineers, it is not full of pitfalls for the tyro.