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mechanics

Another Gear Idea

Derek, a new employee at the Museum and a local teacher in Pittsburgh, presented a great idea to me a couple of days ago.  He wants to make a mechanical version of our circuit blocks.  He thinks that it is important to utilize various types of gears to create blocks that visitors can connect together to further explore mechanization.  To explain this concept only in words is very confusing. A couple of Sundays ago, D
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Inside the Sewing Machine

Over the winter holidays, we did a lot of take-apart here at the museum. Tons of old audio equipment, toys, printers… and a sewing machine! I had a great team of four kids helping me get that stubborn front off. It really didn’t want to go! We recently replaced this machine with a newer one, and thought we’d keep the old one around to help explain what’s happening on the inside. You can move y
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Duquesne Incline Machine Room Field Trip

Possibly the best fifty cents you’ll ever spend is a look inside the Duquesne Incline’s machine room. At 135 years old, it is the oldest cable car operation in the United States, predating San Francisco’s trolley system. [slideshow] The Incline now runs on electricity instead of steam, but much of the machinery is unchanged from the original 1877 design. In 1962 the Incline closed, but community eff
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