$100.oo Finders Reward

[zfk55sr]

The scope is a Swift Instruments scope made for a short period of time in the late 70's. I have one........ want another or even two more.
It must be in serviceable condition. Gas charge is unimportant as we do our own Halogen scope charging here.
The Windage and Elevation adjustments are behind a waterproof collar that slides fore and aft to open for adjustment or seal closed. It's commonly referred to as "turretless scope".
Fixed 4 or fixed 6 power.. either is ok. big.. Big... BIG Vanna White bucks can be yours!
The actual value of the scope is from $50 to $80.oo. They weren't popular at all and that's the reason for the short run.

 

[zfk55sr]

PM reply, just to save a lot of typing.
The most expensive part of this setup is the negative zero vacumn motor. $1,200.oo, but it you do a lot of scope charging, it's well worth it.

Large PVC pipe opens on one end. Loosen any lens or screw that allows access to the inside, open vacuum valve, start motor. When it reads zero, shut if off, open the halogen valve, allow to flow inside for 5 minutes, close valve, remove scope and immediately tighten lens or screws. You won't lose any halogen in that sort period.

 

[zfk55sr]

LOL! Nobody caught the "halogen". OGS again.. It's actually Nitrogen.

 

[260284]

PM reply, just to save a lot of typing.
The most expensive part of this setup is the negative zero vacumn motor. $1,200.oo, but it you do a lot of scope charging, it's well worth it.

Large PVC pipe opens on one end. Loosen any lens or screw that allows access to the inside, open vacuum valve, start motor. When it reads zero, shut if off, open the halogen valve, allow to flow inside for 5 minutes, close valve, remove scope and immediately tighten lens or screws. You won't lose any halogen in that sort period.

View attachment 7038649

Your vacuum motor is a vacuum pump that about every HVAC repairman has on their truck/van for $200-$750 depending on how many CFM they are rated for. I use a JB 7.5 cfm model myself.

 

[zfk55sr]

Whoa!! It's 5 years old now and that was what I paid. Looks like I was taken to the Vacuum Cleaners!

 

[zfk55sr]

Ma is a good bookkeeper. I did pay $1,200 for a vacuum system, but not that one. It was for the shop, however............
I still got taken to the vacuum cleaners. The old invoice shows that I paid $925.00 for that little negative zero pump.
Oh well..................