This Monroe Model G mechanical calculator was made some time between 1918 and 1920, and is the one I used on the cover of my new book. I also featured non-blurry pictures of it as the background image on each chapter, and in those cases left a little easter egg for keen-eyed readers.

Now that I set up my knitting machine semi-permanently in my office, the room has become a nice shapshot of my interests, from computers to 3D printing to antique calculators.

Time for an . I've been involved in and since the late `90s. My career started as a sysadmin, pivoting to security. I'm the President of @purism and work on hardware and software to protect , and freedom.

I've written a number of books ( and was a long-time columnist for Linux Journal magazine.

I have many hobbies including , refurbishing mechanical , , , and many other things.

typically degrade through lack of use. Oil/grease gets stiff, dust/dirt takes over. My solution is repeat the simple calculations I usually perform in my head or on my computer on one (or more) of my calculators to exercise them.

I realized I hardly ever add topical hashtags to posts which probably makes it tougher for folks around the fediverse to see things I write that they might be interested in. I'll try to do better with future posts about , , and and topics.

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