[Thursday] Mechanicl TV Articles by a Rhode Islander

[Michael Thompson]

The mechanical TV in the museum has a variable resistor to tweak the speed
of the disk. Once you see a good picture you can enable a synchronization
circuit to control the disk speed.

On Fri, Jul 3, 2020 at 11:18 AM Randall Snow via Thursday <
thursday at newsm.org> wrote:

> Very neat stuff Len.  It seems so incredibly simple.  I am intrigued by
> the shunt switch in the motor speed circuit.  They have the variable
> resistor to set motor speed and a simple shorting of another resistor to
> speed it up temporarily for alignment with the source.  You have to love
> the elegance of old time simplicity!  This goes a long way toward us
> getting one working someday too.
>
> On Thu, Jul 2, 2020 at 9:46 PM Len Arzoomanian via Thursday <
> thursday at newsm.org> wrote:
>
>> Thought these might be two articles we can use with our Mechanical TV
>> display by Rhode Islander Charles N Kraus.
>>
>> In 1928 Kraus, just 20 years old, built and demonstrated a Television set
>> at the CeCo plant in Providence.
>>
>> September 9, 1928
>>
>>
>> http://www.61thriftpower.com/riradio/images/ProvidenceJournalSeptember9_1928.jpg
>>
>> September 23, 1928
>>
>>
>> http://www.61thriftpower.com/riradio/images/ProvidenceJournalSeptember23_1928_4.jpg
>>
>> http://www.rhodeislandradio.org/kraus.shtml
>>
>> Len
>>
>>
>>
>>
>>
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>
>
> --
> Randy Snow
>
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> New England Wireless and Steam Museum <http://www.newsm.org>
>
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-- 
Michael Thompson
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