My most cherished inheritance from Dad was his 6" slide rule. With apologies, I cannot locate it immediately nor post a photo.
Dad was the chief engineer for a large machine tool manufacturer, for many years, until moving on when the company was purchased & sold for parts. He wasn't above pulling out his ever-present slide rule when needed.
I think I've posted this, before, but he had a dedicated cadre of people who'd wait for him to arrive at his grocery store at his set time every Thursday night. Having eight kids, he knew how to stretch a dollar. His groupies would follow him up and down the aisles, purchasing what he'd purchase, if on their lists, knowing that it was the best price. This was the days before unit pricing was posted for every item in a store. Dad would pull out the slide rule to be sure, giving others confidence.
This story was told to me upon meeting the mother of one of my first new friends made in high school. She said, "You're Paul Ross's son? Let me tell you about your dad & why so many women love him..." (!)
He shopped there because a couple of my elder sisters worked there. They'd be embarrassed by his shopping habits, until I passed along the story. They thought the gaggle of shoppers behind him were mocking him.
Fun memories induced by discussions of an "ancient" gozintas & takeaways device.