[rollei_list] Re: F&H some years before the TLR

I agree with you sometimes the management names only appear, but the
Heidoscop general design was based on the Voigtländer Stereflekstocop
from 1914 (see the photograph) and Heidecke worked at R&D for
Voigtländer, not the Simmon brothers. The Heidoscop was not
"invented", it was not a new camera type like the Omega 120 or the
_compact_ Rolleiflex TLR (TLR cameras exist from the XIXth century),
if the Simmon brothers had some contribution to the Heidoscop it could
only be very minor really.

Carlos



2010/11/8 Edward Meyers <aghalidebw@xxxxxxxxx>:
> Carlos,
>
> As far as I know, the Simmons brothers were workers in the factory, not
> management, so their name would not have been on the design.
>
> Ed
>
>
> On Mon, Nov 8, 2010 at 10:28 AM, CarlosMFreaza <cmfreaza@xxxxxxxxx> wrote:
>>
>> 2010/11/8 Edward Meyers <aghalidebw@xxxxxxxxx>:
>> > Carlos,
>> >
>> > The Simmons Brothers actually invented the Heidoscop in Germany, working
>> > for
>> > Franke & Heidecke. They then moved to the U.S.
>>
>> Ed, I'm afraid you are wrong, the Heidoscop is a stereo camera showing
>> nothing very special regarding other stereo cameras from the same
>> time, it has a clear link with the Voigtländer Stereflektoscop from
>> 1914, designed in part by R Heidecke when he worked for Voigtländer,
>> Heidecke needed to circumvent his previous designs patented for
>> Voigtlämder and then he developed the new reflex finder D.R.G.M.
>> 751883 and a new air bracket stereo shutter, D.R.G.M. 779426; the
>> Heidescop was developed around the Heidecke´s shutter and the
>> Heideckes's reflex viewfinder. You can read several details about the
>> Heidoscop development in the Rollei Report 1 where the Simmon brothers
>> are not mentioned.
>> This is the Voigtländer Stereflekstocop from 1914, you can see that
>> the same mind (Heidecke) is behind the Heidoscop design (" ...this
>> Voigtländer was the godfather of the first Heidoscop altough it was
>> not a copy..." Prochnow RR 1, page  2-38) :
>> http://www.lungov.com/wagner/c/026c.html
>>
>> Carlos
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