Engineering economics

I grew up in an engineering family and, having no imagination, followed in the footsteps of my father and grandfather into the refrigeration business. I have therefore always been familiar with the aphorism that an engineer is someone who can do for ten shillings what any fool can do for a pound. © 2021 Amer. Soc. Heating, Ref. Air-Conditoning Eng. Inc.. All rights reserved.