Does anyone have any recommendations for keeping a good set of Tektronix 500 series handles in good shape? I believe they are leather, is that right? Wondering if anyone has already researched this or

I ran into this ad. I am not associated with the seller in any way. I just saw this ad and thought that someone may be interested... Location is Milton, NY. $1000 for all: https://www.facebook.com/mar

Ha, such strange stories. One of my 535's was delivered to me in the bed of a pickup truck, un-anchored. SMH... aol.com@groups.io> wrote:

Yeah it will be interesting to see what it winds up going for. It can be fun watching the pricing play out. In the last few months I have seen them going from $250 for some to around $800 for others!

I wanted to share this video I watched over on youtube. This guy does an absolutely incredible job detailing the internals of the 555 power supply circuitry and also does some work on his own. It's ve

It makes me so sad I but I simply can't afford to travel and buy this beautiful gem right now. I thought someone here might be interested: https://www.facebook.com/marketplace/item/472746093502260/

LOL...wow. No kidding I was just googling for a source of paint for repainting lids on my 500 scopes and then happened to open my inbox.

Also, I don't hear anyone reaching out to Peter Gotleib, who simply shared a short story about his 7000 series scope. He seemed like a very nice fellow and I appreciated his contribution! Do you think

I am not sure I understand what anyone said to make him feel unwelcome. People disagreed with his viewpoint, and I didn't notice anyone being rude. Do we all need to agree with each other all the time

Hi Noel, Congrats on your first Tek scope! There is a wealth of great documentation on the Tek wiki, including your manual. http://w140.com/tekwiki/wiki/454 There are manuals for your unit on the righ

Also, it's at the 5:35 mark in that video where they specify the exact composition needed...just fyi. wrote:

60% tin/ 37% lead, and 3% SILVER...sorry for the typo! wrote:

Tektronix in the 50's said the actual correct solder is 60% tin, 37% lead, and 3% solder. The details are highlighted in this video, made in the 50s by Tektronix, for soldering to ceramic strips. Here

https://pittsburgh.craigslist.org/ele/d/elrama-oscilloscope/7010916719.html

https://sacramento.craigslist.org/ele/d/rescue-tektronix-type-547-oscilloscope/7004040401.html

Yes I saw that one too. Good grief! hahaha

Oh man, sorry to hear that. Good grief. Glad you at least got that other CRT. yahoo.com@groups.io> wrote:

Someone giving away a 535A in Maryland: https://washingtondc.craigslist.org/mld/ele/d/montgomery-village-vintage-tektronix/6983828289.html

Thanks for all the info, Chuck. Very informative.

Chuck, do you know if the Bugle Boy, etc, tubes were even used in the original builds, or what brand they used originally?