Restoring a Power Designs Inc. 6010D power supply
Power Designs 6010D Universal DC Source Restoration
General Radio Co. 1531AB Strobotac Refurbishment
Refurbishing a General Radio Company 1531AB Strobotac unit built in 1975.
Continue reading “General Radio Co. 1531AB Strobotac Refurbishment”Updated IceTube Clock Design
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.
IceTube Clocks
Revisiting IceTube clock designs and construction, after performing some small repairs on an IceTube clock I built back in 2010.
Hafler DH-110 Preamplifier Refresh
Updating a Hafler DH-110 preamplifier from the early-80’s with new electrolytic capacitors, along with a cleanup and then testing.
Hewlett Packard HP 403B AC Voltmeter Restoration
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”J.H.W. CLIMAX Co — Padlock
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 image
Mettler K4T Balance
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”