eBay Find: A Cartridge Style Electronic Gage Head

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I found a cartridge-style Federal Electronic Gage Head on eBay to use with my Gage Amplifier. It's here today, so let's see if we can get it working. We'll need to make a brass clamp and thumbscrew to hold it and (un)make some modifications to the gage amp.

Here's the gage head I purchased. The seller has a few more:
*This site contains affiliate links for which I may be compensated

Federal Cartridge Gage Head (eBay*): https://ebay.us/aLrwDf

Tools used in this video:
*This site contains affiliate links for which I may be compensated

Mitutoyo 4"/100mm Digital Caliper (Amazon*): https://amzn.to/3dEBDb2
Goldenrod 10oz Pump Oiler (Amazon*): https://amzn.to/3OP0hlD
Tegara 690X 6" Mill Vise (eBay*): https://ebay.us/wjC7Ii
Tegara 690X 6" Mill Vise (Amazon*): https://amzn.to/3TMDjQb
Aluminum Quarter Sheet Pans (Amazon*): https://amzn.to/3i6Zobu
YG-1 1/4" 120 degree spotting drill (Amazon*): https://amzn.to/3sVSLgv
Chicago Latrobe HSS Short Letter Drill Set (Amazon*): https://amzn.to/2PWx0dL
Chicago Latrobe HSS Short Number Drill Set (Amazon*): https://amzn.to/2Qgss0S
Chicago Latrobe HSS Short Fractional Drill Set (Amazon*): https://amzn.to/3mkmziD
Drill America Chucking Reamers (Amazon*): https://amzn.to/3W3YkWx
HHIP Mill Vise Stop (*Amazon): https://amzn.to/2Ki5VeP
Aventor 12" DPS IP54 Height Gage (Amazon*): https://amzn.to/2WGlB40
Wiha Precision Long Screwdriver Set (Amazon*): https://amzn.to/44cGBjN
Wera Kraftform Screwdriver Set (Amazon*): https://amzn.to/2UzK6CL

Raw Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

00:00 Intro
00:44 Unboxing
02:58 Replacing the O-Rings
05:37 Reading the Manual
07:07 Designing a clamp
08:26 Lathe work: making the knob
11:13 Mill work: Making the clamp
16:06 Testing the clamp
17:18 Testing the gage head
19:22 An epiphany after a good night's sleep
21:23 Unmodifying the amp
23:14 Successful test
25:52 Conclusion

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