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Glass syringe needles?
[rquote=649656&tid=156581&author=Clear_horizons_glass]
I could order those and make you so ...
23-11-2020 at 09:40
by: wg48temp9
Just arrived API 365 Triple Quadrupole Mass Spectrometer
All but one of the boards are missing. In particular the vacuum gauge board and the RF board is mis ...
19-11-2020 at 06:45
by: wg48temp9
Just arrived API 365 Triple Quadrupole Mass Spectrometer
My Triple Quadrupole Mass Spectrometer just arrived on a pallet with a big metal box. The turbo pum ...
19-11-2020 at 01:35
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
Below are some pics of an 8mm x 100mm discharge tube operating at different air pressures. Its driv ...
13-11-2020 at 01:54
by: wg48temp9
DIY Quadrupole trap for lycopodium spores
I vaguely remember those fishes from my childhood. I thought it was the heat of my hand.

My nephe ...
13-11-2020 at 01:12
by: wg48temp9
DIY Quadrupole trap for lycopodium spores
Here is a clip showing the spores walking and jumping:
https://www.youtube.com/watch?v=RvC4pOb7MhE
12-11-2020 at 00:59
by: wg48temp9
Help find information on these refractory metal nitrates
[rquote=648910&tid=156511&author=chornedsnorkack]Found start of an article (could not get fu ...
12-11-2020 at 00:26
by: wg48temp9
DIY Quadrupole trap for lycopodium spores
I happened upon a DIY quadrupole trap for lycopodium spores. It operates at atmospheric pressure wi ...
11-11-2020 at 07:16
by: wg48temp9
Vacuum pump for vacuum distillation.
[rquote=648854&tid=155264&author=Fyndium]F
How to cool vacuum pump?

Mine gets very hot, ...
11-11-2020 at 05:00
by: wg48temp9
I finally won a cheap difussion pump
While searching for a cheap gate or butterfly valve I found a scrapped API-365-Triple-Quadrupole-Mas ...
9-11-2020 at 05:29
by: wg48temp9
Wanting to repurpose old ice machine
[rquote=647836&tid=156422&author=chefportal]Thanks WG48 will have a play[/rquote] Your welco ...
31-10-2020 at 08:55
by: wg48temp9
DIY Pirani vacuum pressure gauge electronics
[rquote=647618&tid=156416&author=Twospoons]I've always wanted to build a pirani or thermisto ...
29-10-2020 at 02:45
by: wg48temp9
Wanting to repurpose old ice machine
The first thing to do is check it can actual get cold.
Disconnect the control board and determine w ...
29-10-2020 at 02:26
by: wg48temp9
DIY Pirani vacuum pressure gauge electronics
[rquote=647579&tid=156416&author=Metallophile]
It seems like the filament would need to hav ...
28-10-2020 at 08:14
by: wg48temp9
Light pollution - not just the bane of astronomers and sea turtles
In Florida some tree frogs use locations near or on street lights, window lights or light signage to ...
28-10-2020 at 07:52
by: wg48temp9
DIY Pirani vacuum pressure gauge electronics
My four faulty Inficon BPG40X Bayard-Alpert Pirani combination gauges arrived today. They all have ...
28-10-2020 at 06:44
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
I recently won four faulty vacuum sensor heads.
Inficon BPG40X Bayard-Alpert Pirani combination g ...
26-10-2020 at 04:37
by: wg48temp9
eBay alerts sellers on UK & EU ecommerce VAT reforms
Although I took full advantage of the low cost items from China, it seemed crazy that I did not hav ...
24-10-2020 at 10:59
by: wg48temp9
Electric stove for metal casting?
Junk_Enginerd (previous post) had me worried that to anneal cast iron would require a soak of days. ...
23-10-2020 at 07:24
by: wg48temp9
Electric stove for metal casting?
The metal tube mineral insulated elements are designed to work with a relatively cool pan compared t ...
21-10-2020 at 09:25
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
Heptylene: Thanks for the good advice. I have taken all kinds of oil filled machines apart ranging ...
19-10-2020 at 14:47
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
[rquote=646616&tid=156334&author=Bezaleel]Old oil in pumps is one issue. (It also tends to f ...
18-10-2020 at 17:06
by: wg48temp9
I finally won a cheap difussion pump
[rquote=646659&tid=156141&author=Dr.Bob]I would guess that the silicon oil has a pretty uniq ...
18-10-2020 at 01:02
by: wg48temp9
I finally won a cheap difussion pump
[rquote=644384&tid=156141&author=1KEE]BTW I’ve always wanted to find a glass Hg diffusion ...
17-10-2020 at 05:01
by: wg48temp9
Everyone's selling water (hydrates)
[rquote=646643&tid=156336&author=unionised]It's actually worse than the OP suggests.
For ex ...
17-10-2020 at 04:50
by: wg48temp9
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