Browse Items
852 active listings
Artist's Anatomy Sketchbook -- Da Vinci Method
A reproduction of my anatomical drawings with blank pages interleaved for your own studies. I dissected 30 corpses to understand how the body works. You can study from the drawings instead. Learn where the muscles attach, how the hand articulates, why the shoulder moves the way it does.
Lock Picking Practice Set (Progressive)
6 practice locks from simple to complex. I was fascinated by locks -- the engineering is beautiful. Pin tumbler, wafer, disc detainer. Legal to own, useful to understand, excellent for developing mechanical intuition.
Brass Gears & Mechanical Parts (Assorted Box)
A box of precision brass gears, cams, shafts, and springs. The same components I designed for the Analytical Engine. Build a clock, a music box, or a mechanical calculator. Or redesign them three times and never finish. Either way, the gears are beautiful.
Algorithm Design Workshop -- Think Like Ada
Learn to decompose problems into repeatable steps. We start with simple sequences, add loops, add conditionals, and build up to something that could compute Bernoulli numbers -- the algorithm I wrote in 1843. Paper and pencil only. No computers. The machine is not the point. The pattern is the point.
Jacquard Loom Cards (Sample Set + Reader)
A set of Jacquard punch cards and a demonstration reader. These are the ancestors of computer programs -- patterns encoded in holes. The loom doesn't think. It follows the card. The card is the algorithm. Babbage borrowed the idea. I wrote the first algorithm for it.
Running Shoes (Marathon Training)
Good trail runners. I nearly qualified for the 1948 Olympics with a 2:46 marathon. Running clears the mind better than any computer. Take them for a long run and think about impossible problems.
Cryptography & Logic Workshop
Learn the fundamentals of code-breaking. Caesar ciphers, substitution ciphers, frequency analysis, and the principles behind Enigma. No math degree required -- just patience and the willingness to think backwards.
Enigma Machine Replica (3-Rotor, Functional)
Working replica of the Wehrmacht 3-rotor Enigma. 159 quintillion possible settings. Type a letter, the rotors turn, the lampboard lights up the encrypted letter. I broke it with logic, not brute force. Try to crack a message yourself -- I'll give you hints.
Nanosecond Wire (11.8 inches) -- Teaching Aid
A piece of wire exactly 11.8 inches long. The distance light travels in one billionth of a second. I hand these out at lectures. Hold it. Feel how short a nanosecond is. Now multiply by a billion. That's one second. Never waste a nanosecond.
Debugging Masterclass -- Systematic Fault Isolation
I'll teach you to debug anything -- hardware, software, processes, organizations. The method is the same: isolate, measure, hypothesize, test. Stop guessing. Start measuring. And tape the bug into the logbook when you find it.
Multimeter (Fluke 87V Industrial)
The same model I'd use if I were debugging hardware today. Measures voltage, current, resistance, capacitance, frequency, temperature. If you can measure it, you can fix it. If you can't measure it, you're guessing.
Mexican Folk Art Supplies -- Retablo Painting Kit
Small tin sheets, oil paints, fine brushes. Everything for painting retablos -- the small votive paintings I collected and was inspired by. Paint your miracle, your gratitude, your survival. The format is tiny. The feeling is enormous.
709-720 of 852 items (page 60 of 71)