Image:SWTPC Frequency Counter.jpg
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SWTPC_Frequency_Counter.jpg (800 × 562 pixel, file size: 74 KB, MIME type: image/jpeg)
[edit] Summary
SWTPC Digital Measurements Lab with Frequency Counter plugin.
Designed by Daniel Meyer, Published in Popular Electronics in November of 1970.
Sold as three kits -- Cabinet and Power Supply $19.55, Multi-decade Nixie Readout $49.50, Frequency Counter Plugin $$34.95.
Also offered were a Digital Multimeter, Digital Thermometer, and Time Measurement plugins.
This particular unit assembled by Will McCown circa 1973
Photograph 2006 Will McCown
[edit] Licensing
I, the creator of this work, hereby release it into the public domain. This applies worldwide.
In case this is not legally possible,
I grant any entity the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
File history
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- (del) (cur) 18:13, 30 September 2006 . . Flynwill (Talk | contribs) . . 800×562 (75,725 bytes) (SWTPC Digital Measurements Lab with Frequency Counter plugin. Designed by Daniel Meyer, Published in Popular Electronics in November of 1970. Sold as three kits -- Cabinet and Power Supply $19.55, Multi-decade Nixie Readout $49.50, [[Freq)
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Metadata
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Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot S230 |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 10:30, 30 September 2006 |
Y and C positioning | 1 |
Exposure time | 1/4 sec (0.25) |
F-number | f/4 |
Exif version | 2.2 |
Date and time of data generation | 09:26, 30 September 2006 |
Date and time of digitizing | 09:26, 30 September 2006 |
Image compression mode | 5 |
Shutter speed | 2 |
Aperture | 4 |
Exposure bias | 0 |
Maximum land aperture | 4 |
Metering mode | Pattern |
Flash | 16 |
Lens focal length | 10.8125 mm |
Color space | sRGB |
Focal plane X resolution | 9893.7198067633 |
Focal plane Y resolution | 9846.1538461538 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White Balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |