Gerber Scientific Instrument Company (Hartford, Conn.). Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives ...

Tubes! Not only is the internet a series of them, many projects in the physical world are, too. If you’re building anything from a bicycle to a race cart to and aeroplane, you might find yourself ...

The basic principles of a motion picture film camera should be well understood by most readers — after all, it’s been well over a hundred years since the Lumière brothers wowed 19th century Paris with ...

Built a smart Li-ion charger with 10-LED fuel gauge. Features BQ24075 for charging & LM3914 voltage monitoring. Full build guide available! Tired of guessing your battery's charge level? In this ...