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pbraymond
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Re: Manual Focus Nikon Glass


James Markus wrote:


GeorgeBo wrote:
Looks like a Monroe LA7 mechanical calculator

https://www.computerhistory.org/collections/catalog/102622184



pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?



























I think you are correct


Thanks!
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GeorgeBo wrote:
That second picture has a screen perfect for Rafael to use for viewing his fisheye lens photos



pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?





























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Oosty wrote:
pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?

























Very nice set Ray.

I believe that the machine is a "Monromatic" calculator. see https://physicsmuseum.uq.edu.au/monromatic-calculator

Believe it or not I used a similar machine in 1968 after qualifying as a Chartered Accountant (our equivalent of a CPA) when I worked in my first job in industry. Fortunately the first electronic calculators were produced shortly after wards!



That's pretty incredible Peter. Now I need to find a youtube video to see one in action! **edit - just watched a quick video on the machine in operation. Thanks goodness for my work career starting with HP RPN calculator.


Jan 28, 2025 at 07:26 AM
pbraymond
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Upload & Sell: Off
Re: Manual Focus Nikon Glass


James Markus wrote:


GeorgeBo wrote:
Looks like a Monroe LA7 mechanical calculator

https://www.computerhistory.org/collections/catalog/102622184



pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?



























I think you are correct


Thanks!
---------------------------------------------

GeorgeBo wrote:
That second picture has a screen perfect for Rafael to use for viewing his fisheye lens photos



pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?





























---------------------------------------------

Oosty wrote:
pbraymond wrote:
Older tech from the restored estate, the 28mm f2.0 AIS was the only Nikon MF that I used that day. Does anyone know the function of that machine next to the typewriter?

























Very nice set Ray.

I believe that the machine is a "Monromatic" calculator. see https://physicsmuseum.uq.edu.au/monromatic-calculator

Believe it or not I used a similar machine in 1968 after qualifying as a Chartered Accountant (our equivalent of a CPA) when I worked in my first job in industry. Fortunately the first electronic calculators were produced shortly after wards!



That's pretty incredible Peter. Now I need to find a youtube video to see one in action!


Jan 28, 2025 at 07:14 AM





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