Adam Cramer Video – Liberty Wheels – Philadelphia
Arc and spark emission spectroscopy
He (Freeman Dyson) also pointed me toward his essay “Birds and Frogs,” in which he described complementary species of mathematicians: “Some mathematicians are birds, others are frogs,” he wrote. “Birds fly high in the air and survey broad vistas of mathematics out to the far horizon. They delight in concepts that unify our thinking and bring together diverse problems from different parts of the landscape. Frogs live in the mud below and see only the flowers that grow nearby. They delight in the details of particular objects, and they solve problems one at a time. I happen to be a frog, but many of my best friends are birds.”
Tiger Cub Motor Power Calculation
McMaster-Carr gear assembly (similar to previous one)
Piston assembly, Four-stroke engine (v1)
Franklin Institute – Railroad Hall – 1989 opening