[SML] Sal Ammoniac smoke

[Richard Niederberg]

This is why you could find 660 watt [rated] keyless porcelain sockets at
hardware stores.
/s/ Richard

On Wed, May 9, 2018 at 5:44 AM, Mt. Angel Performing Arts Center via
Stagecraft <stagecraft at theatrical.net> wrote:

>
> In late grade school or early high school (the timeline is a bit fuzzy) we
> made our own solar cells using a 'glocoil' for the heat source to diffuse
> silicon wafer material with various interesting (and no doubt highly toxic)
> doping agents.
>
> The standard heating coils were cone shaped - this special version was
> tubular. As I recall it cost us an arm and a leg back then - about $6.50.
>
> I don't recall if the solar cells we made actually worked or not - but it
> was fun trying.
>
> I think I still have that same glocoil in my junk bin as it went on to a
> lifetime's use as a dummy load for audio amplifiers. About 16 ohms and 600
> watts worth - not too shabby.
>
> Sal Ammoniac (Ammonium chloride) was sold in a solid block (Allied Radio
> catalog item) as a 'tinning block' for soldering irons. Wiping a hot
> soldering iron across it cleaned the tip wonderfully. No surprise since it
> would be essentially a 'hot pickle' in Hydrochloric Acid, huh? Item is
> still available on Amazon and from stained glass suppliers.
>
> And isn't 'soldering paste' ammonium chloride in petrolatum?
>
> Carla / Stu
>
> As an explanation for the decline in the US's tech edge, James Niccol
> wrote "It used to be that the USA was pretty good at producing stuff
> teen-aged boys could lose a finger or two playing with."
>
>
> On 5/8/2018 2:14 PM, Jerry Durand via Stagecraft wrote:
>
>>
>>
>> On 05/08/2018 02:05 PM, Steve Boone via Stagecraft wrote:
>>
>>> Heating Cones were a replaceable element for a type of space heater
>>> that simply had a medium screw base socket in the middle of a shiny
>>> copper/metallic reflector.  The space heaters look similar to an old
>>> table model oscillating fan, except—no blades.
>>> There is an illustration of a cone in the old 3rd edition of Parker
>>> and Smith: Scene Design and Stage Lighting.  You can also still Google
>>> some pics of them.
>>> https://i.ebayimg.com/images/g/ld8AAOSwMmBVx-3U/s-l400.jpg
>>>
>>>
>>>
>> And here's the whole unit:
>> https://images.duckduckgo.com/iu/?u=http%3A%2F%2Fcache.air-n
>> -water.com%2Fimages%2Finfrared-heater-m.jpg&f=1
>>
>>
>>
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-- 
/s/ Richard
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