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Looking for the Tek 475A Service Manual and the DM44 Service Manual. I assume there never was a combined 475A/DM44 Service Manual? Thanks!

Photo in the photo album, look under neons. Harvey

Maybe colorizing the envelope with two different gels, or just colored sharpies, could help. or put a divider right in the middle so light doesn't bleed, and put the whole thing in a larger box where

Hi all, (Not sure if there are limits to the frequency a member can post "for sale" items here, but please let me know if I'm exceeding that.) Please see: https://www.ebay.com/itm/266757248323. I'm

With a neon bulb you can see which electrode glows to determine polarity. I'd have to do some looking to determine which is which, but I recall that only one electrode glows on a neon bulb driven by

Steven great idea but how would I get this to be directional? I know that the discharge happens by the pain alone, so the next step is to figure out which way it's

Harvey I'll need a drawing of that, can you take a photo and post it to the list? Or if that doesn't work, to imgur? Thanks <madyn@...> wrote:

Hi all, Please see below. https://www.ebay.com/itm/266734698407. Thank you, Radu.

WRT to "upgrading" an OS, particularly Windows, another path to take is to install the new OS on a new HDD/SSD while keeping the current drive intact: - make a backup of your current drive - buy a

I have not seen this in years though the devices are still in place. Some anesthetics used in surgery are flammable. To prevent possible ignition from static discharge, we used to have to wear shoe

I was using Seamonkey, until it became too outdated to access Gmail. Then I switched to Thunderbird. [email protected]> wrote:

A few random comments. I too hate the "newer is better by definition" attitude. I hate that in spades with some modern "flat GUIs", since you have to randomly click until you stumble across a

Oh my. You are using Windows XP, online? How did you even find a browser that is compatible with modern SSL/TLS requirements? That there is your problem, outdated software trying to run a modern

Perhaps it has been mentioned in this thread and I missed it. Our local Walmart (upstate NY) add short pieces of stiff, apparently steel, wire (I'd guess around 18AWG) to the bottom of each shopping

I heard a very good explanation of why someone changes a perfectly fine product into something unnecessarily annoying to re-learn and then call it “new and improved.” The reason is the same reason

Thunderbird just did an 'upgrade' to their email UI layout. It looks worse, and with low vision it is more difficult to use. [email protected]> wrote:

The ESD is a narrow pulse, so it is dim. A small capacitor across the LED might help. You can also use a string of regular diodes to clamp the pulse's voltage. They have to total more than the forward

I tend to agree, although I haven't catalogued all the things that are worse now, after the re-write. As a retired engineer who has written a lot of code, including HDLs, I have never liked

Type your reply in Notepad or Wordpad as plain text, then copy and paste it. Are you zoomed in on the website? Some web pages only work properly at 100* [email protected]> wrote:

That is an entirely possible, as WinXP is pretty Jurassic nowadays. I am always running one version late - now that Win11 is out I am still running Win10. You might be able to eliminate some problems