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Homemade Hydrometers Thanks for reply. I want to go from about 1.25 to1.45 density. Yob	9-11-2020 at 17:06 by: yobbo II
Quartz tubes (140mm x 13mm) from halogen lamp -also with tungsten element running through it - ketene lamp maybe? It is quartz glass. The quarz is not clear, I don't know why. Yob	9-11-2020 at 17:04 by: yobbo II
Homemade Hydrometers Hi All, I have had visions of making a quantity of density measuring 'fishing float' type hydro ...	7-11-2020 at 11:35 by: yobbo II
Real sassafras oil from roots! Purchased saffarfas oil over the counter from a chemist that ordered it for me about 30 years ago. ...	20-10-2020 at 10:31 by: yobbo II
How dangerous really is picric acid? If stored in the wrong container is can be dangerous. Some metal picrates can explode easily. T ...	19-10-2020 at 06:02 by: yobbo II
EMP device for pesky drones https://www.youtube.com/watch?v=rAzzmdDqT6Q	19-10-2020 at 05:55 by: yobbo II
More on PbO2 electrodes Thickness of coating was probably around 5mm of a proper coat. They used them in the Henderson pl ...	17-10-2020 at 14:15 by: yobbo II
EMP device for pesky drones Youtube vid here https://www.youtube.com/watch?v=oJOSfnETiG4 looks a bit like the device in ...	11-10-2020 at 12:13 by: yobbo II
EMP device for pesky drones There is a jammer here: https://aliexpress.ru/item/4000968563014.html?spm=a2g0o.detail.100001 ...	11-10-2020 at 11:44 by: yobbo II
manometer One problem you may have if you use it, especially with Hg, is that if there is no constriction at ...	11-10-2020 at 11:08 by: yobbo II
EMP device for pesky drones Believe it or not! I did actually think of the 12 gauge. I believe it is illegal to shoot down a ...	7-10-2020 at 16:13 by: yobbo II
Compact Flow-Through Electrochemical Cell for Perchlorates It may erode as the current carrier. It will be exposed to the solution and some current will go ...	6-10-2020 at 12:08 by: yobbo II
EMP device for pesky drones Unfortunately I don't have any eagles. Yob	6-10-2020 at 12:06 by: yobbo II
EMP device for pesky drones Hi, Has anyone any knowledge or info. on a EMP generator that could be used to disable drones. (s ...	5-10-2020 at 12:25 by: yobbo II
Single component rocket fuels Potassium chlorate and wax is used by some. Perk. would do too. I wondered would the following wo ...	5-10-2020 at 11:34 by: yobbo II
Compact Flow-Through Electrochemical Cell for Perchlorates It reminds me of the Pinkston anode. http://www.pyrosociety.org.uk/forum/topic/426-synthisis-of ...	5-10-2020 at 11:29 by: yobbo II
Sealing the edges of a Perchlorate Cell Anode Straight MMO has a surface area of 1.1 times the length by breath.	2-10-2020 at 11:56 by: yobbo II
Perchlorate cell additives for Pt anode I would agree with B(a)P! Dont obsess over additives. Yob	27-9-2020 at 13:21 by: yobbo II
Solubility of salts and their percipitation If you go to this site: http://www.chlorates.exrockets.com/chlorate.html then sodium chlor ...	27-9-2020 at 13:16 by: yobbo II
Electrolysis of Sodium Hypochlorite solution Could not find the post I was looking for where Woelen posted a link to his page showing cathodic re ...	20-9-2020 at 13:22 by: yobbo II
Lead 2 acetate basic See the 'Lead Salts preparation' thread for (perhaps more info)	20-9-2020 at 13:05 by: yobbo II
DIY burners and torches [rquote=644455&tid=156100&author=RogueRose][rquote=644441&tid=156100&author=yobbo II ...	11-9-2020 at 05:21 by: yobbo II
DIY burners and torches An example of a torch that does not premix the gasses. This type I believe is the easiest to make. ...	10-9-2020 at 14:04 by: yobbo II
DIY burners and torches I once attempted to make a oxy fuel torch for working fused quartz. You need WHITE heat and you ne ...	8-9-2020 at 06:01 by: yobbo II
I finally won a cheap difussion pump I wonder would brake fluid work instead of the (crazy) expensive oil Yob	8-9-2020 at 05:29 by: yobbo II
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