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Fluorescence of zinc oxide
douro20
17 views
A tiny cast zinc frog figurine appears here to partially fluoresce under the blacklight due to deposits of zinc oxide (ZnO) on its surface. It is difficult to capture the ...
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F-4 by David Weavil (Atari 2600)
douro20
20 views
F-4 is an early version of an Atari 2600 port of Midway's "Phantom II" arcade game. It was later released in cartridge form as part of the "Phantom II / Pirates" multicart...
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Sharp PC-1001 Programmable Scientific Calculator (1974)
douro20
119 views
A purchase from about six months back, this Sharp PC-1001 was once property of Boeing. I dated this calculator from the factory inspection label on the back (yes, it is st...
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Early LCD alarm clock- Panasonic JH-1U
douro20
94 views
A rather uncommon Panasonic LCD alarm clock with a light-scattering COS-LCD display from the mid-1970s. I picked up this alarm clock from a local flea market about six mon...
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Stormovik: The SU-25 Soviet Attack Fighter (1990 Electronic Arts)
douro20
402 views
The well-done introduction to a MS-DOS game which was completed in 14 weeks, just in time for CES. This was recorded in DOSBox 0.74 using OPL3 emulation for sound.
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Copyleft Invaders
douro20
69 views
My hack of Space Invaders for the Atari 2600 using the Windows version of the VaderMatic sprite editor. If you look carefully you can see the word "GNU" momentarily when y...
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Virtualized dragging brake equipment detector using rsynth
douro20
216 views
What if a dragging brake equipment detector used rsynth?
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Korg DW8000- strange atmospheric noises
douro20
1,859 views
A very strange patch program which came with my newly acquired DW8000. I believe it was made by modulating noise created by the oscillators. First I play the patch manual...
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Emerson Junior #2660M
douro20
753 views
An Emerson Junior table fan model 2660M. Everything is there except for the oscillator knob.
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Dayton model 367 table fan, slightly modified
douro20
1,337 views
A Dayton table fan, model #367 with brass blades and a three-speed shaded pole motor. It has a grill which definitely doesn't belong on this fan.
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