Refurbishing a General Radio Company 1531AB Strobotac unit built in 1975.Continue reading “General Radio Co. 1531AB Strobotac Refurbishment”
After finishing the IceTube clock version 1.31 build for myself, I was ready to work on the board design for some IceTube clocks as gifts. I could have used the existing V 1.31 boards, but I wanted to use an up to date design that incorporated all the hardware improvements over the past 10 years while still staying with a thru-hole design.Continue reading “Updated IceTube Clock Design”
Revisiting IceTube clock designs and construction, after performing some small repairs on an IceTube clock I built back in 2010.Continue reading “IceTube Clocks”
Updating a Hafler DH-110 preamplifier from the early-80’s with new electrolytic capacitors, along with a cleanup and then testing.Continue reading “Hafler DH-110 Preamplifier Refresh”
Another local Ebay find was this Hewlett Packard HP 403B AC Voltmeter in a protective HP vertical case. The case did an excellent job of protecting the meter over it’s now 48 year life.Continue reading “Hewlett Packard HP 403B AC Voltmeter Restoration”
A very interesting find on Ebay from several years ago was an all steel version of a J.H.W. CLIMAX Co padlock.
Click on photos for a larger imageContinue reading “J.H.W. CLIMAX Co — Padlock”
Cleanup and check of a Mettler Instruments K4T single pan top loading balance.
After owning and using this K4T balance for over twelve years, I thought it was time for a full cleanup and accuracy check. When first purchased from Ebay it received a quick cleanup, function, and accuracy check, before I quickly put it to use.Continue reading “Mettler K4T Balance”