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Shaded pole speed controller for magnetic stirrer

Shaded pole motor speed controller in attached patent.
No electronics involved. Just a flux 'shor ...
19-4-2021 at 16:49
by: yobbo II
intent to possess 30 ml methylmercury = 12 yrs prison


Women to man on bus.
Get out of my way you big ooof. If you were my husband I'd poison you.
M ...
9-4-2021 at 17:51
by: yobbo II
The Sciencemadness Index


Seidell's
“Solubilities of Inorganic and Organic Compounds

Also the solubility data series ...
2-4-2021 at 16:07
by: yobbo II
Demonstrations about the science of plastics

A test done years ago for the hardness of certain plastics using pensils I can remember.

A set ...
2-4-2021 at 16:04
by: yobbo II
Low resistance electrolytic cell divider

You can obtain a glazed tile and rub off the glaze using an 'angel grinder' or some sort of abrasi ...
26-3-2021 at 18:14
by: yobbo II
Magnifying loop for mounting on glasses or your head


Original question was:

Dental loupes are descibed as 2.5x 3.5x etc.
Cheap reading glasses ar ...
25-3-2021 at 12:17
by: yobbo II
Thoughts On Anodes
The Lead Dioxide bed is somewhat similar an Anode make my G. Pinkston long time ago.
http://www.chl ...
25-3-2021 at 12:12
by: yobbo II
Nitrate salt sources

Strange as it works for me ok.

Yob
23-3-2021 at 15:52
by: yobbo II
What's the difference between http://www.sciencemadness.org/talk and http://www.sciencemadness.org/whisper?
Secure and not so secure
19-3-2021 at 10:44
by: yobbo II
Nitrate salt sources


The problem with the 'crashing out' is that most of these compounds do not 'crash out' as they a ...
19-3-2021 at 10:36
by: yobbo II
Platinized Ti anodes from ebay: fake ?
Are you sure you did the weight calculation correct? One gram of Pr at 5 micron will cover allot o ...
13-3-2021 at 14:28
by: yobbo II
The Short Questions Thread (4)

Better to say that 'Woelens site is good'. (including the stuff about Jesus). :-)


Thanks f ...
5-3-2021 at 18:18
by: yobbo II
The Short Questions Thread (4)
Could someone direct me to a (sodium) nitrate titration procedure using ferrous sulphate

Thanks
13-2-2021 at 15:43
by: yobbo II
Most expensive mistakes you've made?

1) Got married.

2) Filling oil into a (large) vehicle engine and forgetting to put the bung in ...
8-2-2021 at 19:05
by: yobbo II
The good old days


Don't waste in on the gardening!

https://www.globalfounders.london/blog/dangerous-beauty-a-sh ...
8-2-2021 at 18:43
by: yobbo II
Extended UNIQUAC model

Is there anywhere online that this model can be accessed.
I don't know a whole lot about the subj ...
7-2-2021 at 17:05
by: yobbo II
More on PbO2 electrodes

For bubbles etc sticking to a substrate I wonder if you connected an old electric tooth brush to t ...
28-1-2021 at 17:37
by: yobbo II
What is this sludge in my perchlorate cell?


Do you mean that CO2 is absorbed from the atmosphere?
Working with a sealed cell ie. a cell wit ...
28-1-2021 at 17:30
by: yobbo II
What is this sludge in my perchlorate cell?

Why do Calcium chlorate cells not need pH control?
Some chlorine must be escaping just like a sod ...
26-1-2021 at 18:32
by: yobbo II
Janecke diagrams

Taking another stab.....

Can anyone shed some light on these diagrams. Can a mutual solubility ...
26-1-2021 at 17:06
by: yobbo II
More on PbO2 electrodes


Lovly Jubbly.


A dude once stated:

Tartrate bath allows Co and Bi doping, is non smelly a ...
19-1-2021 at 18:16
by: yobbo II
magnesium aluminate refractory up to 1800C.

You can purchase alumina bricks for this. They are very expensive. I believe that the alumina must ...
16-1-2021 at 18:49
by: yobbo II
HD dismantle and repair

Yes. I did not get the drive to 'work' perfectly. I just took the data I wanted and ran.
It would ...
16-1-2021 at 18:47
by: yobbo II
HD dismantle and repair
Thanks,

I managed to get the HD fixed
12-1-2021 at 13:51
by: yobbo II
Janecke diagrams
Can anyone tell me how to interpred Janecke diagrams or where I might find a book to explain (withou ...
3-1-2021 at 05:29
by: yobbo II
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