Gene, Gene.....made a machine. Hank, Hank.....made a crank. Joe, Joe...……..made it go. And we all know what Art did!
I remember. In the fall of '70, at Mesa Jr. College in Grand Junction, Co., I had the honor/disappointment of taking the LAST slide rule class to be offered to eng. students. It still lives in the nice leather case, in my desk drawer, as we speak.
88 F150 4.9 4x4 5 speed. My grandpa bought it new. The frame rusted in half in January so i put a new frame under it and replaced the cab and bed. Saving up for paint/body work now. This is what it should look like. Looks like this now but is almost new!
Carousel slide projector or even the slides since PowerPoint is the main "slide" maker these days. Then there was the personal viewer that you bought little disks with slides embedded that showed things like vacation places, animals, and even pictures from short stories.