h a l f b a k e r y"Not baked goods, Professor; baked bads!" -- The Tick
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There are few sounds on earth to surpass that of a well-
twanged ruler held over a desk edge.
I therefore urge the construction of a piano-style instrument,
in which the keys are a series of rulers overhanging a
soundboard by carefully adjusted distances.
http://en.wikipedia.org/wiki/Thumb_piano
[spidermother, Oct 30 2012]
Wooden_20Ruler_20Ensemble
[calum, Oct 30 2012]
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Annotation:
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One Ruler to Ring them All. |
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[sm] thumb pianos do not usually have rattling bridges, right? Which is a characteristic of [mb]’s idea. |
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Not that I'm aware. They also don't use rulers. (The link is just for prior art). |
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//sound of the ruler ruler being moved// |
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Excellent point, [bellauk]. We will require a pitch-
bend pedal which can slide all the rulers back or
forth by a semitone or three. |
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[+] Actual rulers should be used, as a visual tuning aid. |
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Reporpoised slide rules, with their log scales, would
be ideal for this. |
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I think slide rules are too stiff. I seem to recall that the cheap white plastic rulers were best. |
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Length and force. The solutions to almost all
problems. |
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"...in bed" </fortune cookie> |
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This needs a set of Catholic nuns and some misbehaving soprano boys as well. |
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Seems right at home in a jug band. |
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I believe those sopranos are called altered boys. |
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I bought a 2-meter stick made of aluminum (3 inches wide) and clamped the lower end onto a back-and-forth cam driven by a big DC motor. With the ruler pointing upwards (the top end was free), I could find the first, second and third vibration modes of the ruler (frequencies were like 1 Hz, 3 Hz, and 9 Hz or something). When hitting the third overtone the whole thing nearly took off. Good thing I had on a motorcycle helmet for safety. One could make an instrument of this. (An IMD - Instrument of Mass Destruction.) |
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I've got a couple of acrylic rulers, very poor tone,
avoid. I yearn for the days of the hard white plastic
Transformer's ruler of my early high school years...
the Stradavarius of rulers. |
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I thought this idea would be a new type of cellular
phone with the interface being a slide ruler. |
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I have no idea how a slide ruler works, even though my
father tried to explain it to me about every 10 years in
the last 40. |
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