[LargeFormat] Compound Shutters
LNphoto
largeformat@f32.net
Thu Dec 4 20:00:22 2003
Well if DRP is roughly "German Republic patent", What is DRGM?
Les
On Thursday, December 4, 2003, at 05:22 PM, Wilkes, Don MSER:EX wrote:
>
>> Again, I don't have a starting date for D.R.P. but it was
>> used until sometime after 1945. D.B.P. was adopted at the
>> end of the war but was not immediately used so one finds
>> equipment made as late as 1950 or so still marked DRP or
>
> Oh, it means German Republic *Patent*, then! That would explain why I
> couldn't find a reference to it either online or in one of the office
> Almanacs... I should have realized this, as last July, I had a short
> note
> from Mr. Arne Croell on my old Carl Zeiss Jena 165 f/6.3 Tessar, which
> I was
> trying to date. It has an apparent serial number of 166752, and is
> marked
> DRP 142293. He said that he was travelling, and didn't have his list
> of
> Zeiss numbers at hand. However, he mentioned that list only starts in
> 1927,
> at which point the serial #s were already past the million mark.
>
> So, it looks like DRP is pre-30s, at any rate.
>
> By the way, Mr. Croell had an article on VEB Carl Zeiss & Docter Optic
> lenses in the July/Aug 2003 issue of View Camera, which is what
> prompted me
> to write to him. If Mr. Croell is listening -- could you possibly tell
> me a
> bit more about my lens, especially its likely date of manufacture?
> I've
> never found it mentioned in any references.
>
> Cheers!
> \donw
>
> _______________________________________________
> LargeFormat mailing list
> LargeFormat@f32.net
> http://www.pairlist.net/mailman/listinfo/largeformat
>