[rollei_list] Re: date of manufacture
- From: "Peter K." <peterk727@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Wed, 14 Dec 2005 06:06:36 -0800
Bob,
That is the only way to determine things. The factory was fairly precise
making the same number for almost all models each month/year. Using your
numbers, Jim's Rollei would have been made 10 years after production began,
making it approximately 1976. If you wanted to narrow this down a bit
further, use youe 144 units per month and you can come up with an
approximation of the month it was made, providing you know the month in 1966
production first began.
I have used this method before to calculate approximate month/year of Rollei
manufacture and its one of the better ways to detemine it, unless you have
access to the manufacturing records.
Peter K
On 12/14/05, Bob Shell <bob@xxxxxxxxxxxx> wrote:
>
>
> On Dec 13, 2005, at 4:27 PM, Richard Knoppow wrote:
>
> > Prochnow (Rollei Report 2, p.G-589) shows the range of SL-66 serial
> > numbers as 2,900,000 to 2.927,800 for the years 1966 to 1982. I
> > don't know how the numbers were assigned or what the yearly
> > production was. Without knowing that one can't find the exact year
> > of production from the camera number, however, it seems to be a
> > quite late one.
>
>
> That would indicate that only 27,800 were built in that 16 year
> period, or an average of about 1,737 per year, 144 a month, roughly
> six per production day. I knew this was a low-production camera, but
> never realized production was that low! I wonder what Hasselblad
> production numbers were for the same time period.
>
> Bob
>
>
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--
Peter K
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