Hello all ATM'ers mirror makers and alike. It pains me to post this message, but after five years of working on my plate glass 1" thick, 16" F4 mirror, one...
Hello Robert and all, I am very sorry of your experience. That, sadly, is very true. Fortunately for me I did not get to this extremity, but nearly, with my...
Hi Robert: Sorry to hear about the accident. I've had plenty myself only not quite that bad. I do have a 16" diameter x 1.5" thick precision anneal Pyrex blank...
Hey: I just posted a couple of blems to our eBay store: A 15" F/4 with a chip and an 18" F/4.5 with some circumferential scratches. Both mirrors are brand new,...
William bell has redone their links page and it is very very complete. I was shocked (and delighted) to find my website on their "Telescope makers and their...
That's my son's motorcycle. He's selling it to move up to an 1100, just like dear old dad :-) James Mulherin President/Lead Optician Optical Mechanics, Inc. ...
James, I hope that this isn't an unfair question (feel free to ignore it if you so desire, I will not be offended); however, due to the nature of your...
Dave: The blems can happen at any of the points you mention below. We make about 200 mirrors per year and our blem rate is less than 1%. I would estimate that...
Dear group, First off, let me introduce myself since this is my first post. I'm a recently graduated engineer with a long standing interest in astronomy. I...
Jaco... Welcome to ATM_FREE. Personally, I would core the glass with a home-made biscuit cutter and abrasives. First I would protece both sides with masking...
xD Woopsie! http://www.stellafane.com/misc/links.html BTW first light on my scope will be tonight or tomarrow at the ATM Meeting (weather aint gunna cooperate...
Younguns! You should have capitalized your aint Gunna's name. At least you did Murphy right, Is he your uncle? Jerry ... From: atm_free@yahoogroups.com...
... Murphy ... Forget him (right!)... I want to know about this William Bell guy and why he's snuggling with Stella (Stella Fane, that is) and cheating on Aint...
Don't get me started. The last time I filled in the blanks on a name was when Richard Schwartz brought up the coal miner and ATM J. H. Flatner. That reminds...
I have an 8" 5/8" thick paper white blank which is temepered, I was planning on having it slumped for a mirror but had a thought (that is dangerous). Would it...
Hi Ken, I think I will try the core drill method, thanks for the input. What material did you use for the cookie cutter ? The only reference I could find...
... Hi Jaco, I usually make a plug to fit into some Aluminum tubing that I have laying around. I have used soup cans with the rim cut off, steel strapping to...
Well guys I'd say last night was a smashing success. After 2 & 1/2 years of work it was great to see something, and even better, to see something really really...
... I'll be darned you right I'm under testing too for my foucault tester. Un fortunatly I moved that to another page but if you jsut look at the nav bar "Test...
Hi, All- Just discovered this group in my search for Ken's spherometer spreadsheet! Glad to have found it, wish I'd have discovered this group earlier. A bit...
... Yeah Mitch! We knew all along that you could do it... Stick around and help out some of the newer guys and we'll also help you with your new disease... ...
Hi Wes... Welcome to ATM_FREE! There are a bunch of folks here in various stages of optical apprenticeship training. We're a raather informal bunch, a lot of...
Subject: FW: [atm_free] Re: New Member here Hi, Ken- And thanks for the welcome!! Sounds like the way a group of people like this oughtta' be! Wish I could...
Would that include the AN/TPN/8 Jerry AKA "Empty Eye" ... From: Wes & Lou Subject: FW: [atm_free] Re: New Member here NWS, Eh??? Hey, Amigo- I'm the Weather...
Hi Wes... Well, I've been at it so long that I've forgotten most of what I thought I knew (but didn't) my guys keep telling me. I have 4 ASOS sites, AWIPS,...
Nope… CPN-4, FPN-52, FPN-16, FPN-63, URN-3, URN-25, ASR-7, ASR-8, TPX-42… those are the major systems I’ve worked on- plus the ancilliary systems that ...
I'm not surprised you missed it. I think the Navy disowned the TPN8. It was originally a Navy radar and I guess the Army got them from the Army Navy surplus...
