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page 19
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657
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SX-70
759
▶︎
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After 140 years, this old technology still keeps trains safe [06:53]
205
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One of, if not the last consumer CRT rebuild shops closed 12 years ago. [old story]
2
512
IMG
•
The 6AL5W [1417x2460 - 736KB]
10
121
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A look inside the chips that powered the landmark Polaroid SX-70 instant camera
3
601
ALBUM
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The EICO 147A Signal Tracer
866
ALBUM
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The Monsanto MAN-1 Alphanumeric display, considered to be the first 7-segment LED display device.
6
770
ALBUM
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The RCA 151 Oscilloscope
12
228
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FC's Fluorescent Magic Eye Tubes
9
573
IMG
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12BA6 Vacuum Tube, made in 1987. [4032x3024 - 2.65MB]
32
865
IMG
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The 1936 RCA 913 1" Oscilloscope CRT [4032x3024 - 3.89MB]
29
707
IMG
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The RCA 885 Thyratron [4032x3024 - 3.69MB]
67
316
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Silicon die teardown: a look inside an early 555 timer chip
994
IMG
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Back when computer manufacturers gave you a full set of manuals in the box... [4032x3024 - 2.82MB]
12
633
IMG
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The Kaypro 2X+88 CP/M Computer [4032x3024 - 1.83MB]
9
954
ALBUM
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Capehart-Farnsworth Type 6032 Image Multiplier Tube for NIght Vision Applications
5
606
[deleted]
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Electron microscope slow-motion video of vinyl LP [09:40]
4
1.2K
[deleted]
▶︎
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The Craft of Picture Tube Rebuilding [1:46:41]
1
1.3K
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Reverse-engineering a tiny 1980s chip that plays Christmas tunes
3
358
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The [RCA] Radiotron Designer's Handbook, 4th Edition
525
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Jay Logue's Templates Get You Started Building FLIP CHIP Add-In Boards for Vintage DEC Computers - Hackster.io
1.4K
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Forgotten memory? slotMusic & slotRadio [31:35]
673
IMG
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Vacuum tube boxes [4032x3024 - 2.06MB]
2
1.4K
IMG
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The 117Z3 Vacuum Tube, an unusual device that operates right across the (USA) AC line. [1107x2007 - 309KB]
11
242
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1948 Crosley 12 Inch TV FM Radio Resurrection [1:39:49]
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page 19
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/s/oldtechnology
created
ago
![The 6AL5W [1417x2460 - 736KB]](https://poal.co/static/images/MYGSiR.jpg){kind=link}
![12BA6 Vacuum Tube, made in 1987. [4032x3024 - 2.65MB]](https://poal.co/static/images/XRjtpJ.jpg){kind=link}
![The 1936 RCA 913 1" Oscilloscope CRT [4032x3024 - 3.89MB]](https://poal.co/static/images/xvyOvM.jpg){kind=link}
![The RCA 885 Thyratron [4032x3024 - 3.69MB]](https://poal.co/static/images/ZKa2qC.jpg){kind=link}
![Back when computer manufacturers gave you a full set of manuals in the box... [4032x3024 - 2.82MB]](https://poal.co/static/images/1Kv1YH.jpg){kind=link}
![The Kaypro 2X+88 CP/M Computer [4032x3024 - 1.83MB]](https://poal.co/static/images/esj0kY.jpg){kind=link}
![Vacuum tube boxes [4032x3024 - 2.06MB]](https://poal.co/static/images/KAIyI7.jpg){kind=link}
![The 117Z3 Vacuum Tube, an unusual device that operates right across the (USA) AC line. [1107x2007 - 309KB]](https://poal.co/static/images/M9Tpra.jpg){kind=link}