[78-L] Record collecting

umashankar umashanks at yahoo.com
Sun Dec 30 18:29:10 PST 2012


as  a kid of ten, I built something like that. a gramophone spun by a falling wait. I controlled the speed simply by letting the string run through my fist, tightening and loosening it. the weight fell from the first floor to the ground and I could play half an lp with it.
 
umashankar


>________________________________
> From: Don Cox <doncox at enterprise.net>
>To: 78-l at klickitat.78online.com 
>Sent: Monday, December 31, 2012 1:30 AM
>Subject: Re: [78-L] Record collecting
>  
>On 30/12/2012, Malcolm Rockwell wrote:
>
>> If I didn't even chime in on this conversation, how can I be quoted?
>> How existential!
>> But since I'm here...
>> What contains the oil? And what would you cut (clay?), and with what 
>> (bronze? stone?)?
>
>The disc would be cut in beeswax. The cutting blade could be obsidian,
>for instance. Then the wax original can be cast in bronze using the
>lost-wax method. Electroplating was definitely not available.
>
>I see the oil or honey as being in a clay pipe, like a water pipe. 
>
>> Seems that the time limit for the recording would depend on the oil 
>> container's depth and the weight's rate of fall.
>
>Yes. And the diameter of the spindle the cord is wrapped around.
>
>If everything went really well, you might get 3 minutes on a 12 inch
>disc.
>
>> Viscosity? I think honey would be way too thick, but it could be cut 
>> with water.
>> Lo viscosity oil mo bettah.
>> What fun!
>> Mal
>> 
>It could be fun to try to make it.
>
>
>Regards
>-- 
>Don Cox
>doncox at enterprise.net
>
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