RSSTube Time @ Maker Faire
Eric will be bringing his a slew of vintage electronics to Maker Faire Bay Area. Come see, first hand, the results of his oscillograph restoration work and exploration in time-telling-tubes. Yes, those multicolored cylinders are old-style resistors! -
A cluster of components forms the sweep oscillator of the Clough-Brengle oscillograph. The radial-leaded resistors are essentially carbon rods attached to wires and painted with colors indicating their resistance.- Tube Time on FlickrColor code for these resistors works as follows: The body color is the most significant digit, the end cap color is the second digit, and the dot on the body is the multiplier. The colors themselves have the same meaning as today.
These resistors are probably of the +/-20% tolerance variety. They are actually trimmed; a single gash in the side indicates where resistive material was removed during production to dial in the value.
Maker Faire is a two-day, family-friendly event that celebrates the Do-It-Yourself (DIY) mindset May 3rd and 4th at the San Mateo Fairgrounds, CA (Upcoming.org). It’s for creative, resourceful people of all ages and backgrounds who like to tinker and love to make things. Buy tickets now and save, discount ticket sales end on April 25th, 2008.
If you're in the Bay Area, or plan to attend Maker Faire add "makerfaire" to your Twitter, we'll be giving away tickets and will have updates before and during Maker Faire!
Posted by Collin Cunningham |
Apr 11, 2008 05:00 AM
Maker Faire |
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| Posted by: Tim on April 13, 2008 at 9:39 AM |
Those look absolutely fantastic. Anyone know who makes those or where to get one from?
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