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Re: Re: [OM] Need Information

Subject: Re: Re: [OM] Need Information
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Mon, 29 Apr 2002 13:40:38 +1000



> Mark Dapoz <md@xxxxxxxxxxxx> wrote:
> 
> Yes, the lenses should have the Royal Microscope Thread (aka, the
> Royal Screw) 
> threading.  I just checked one of mine and it has an outer diameter
> of .794"
> and the thread pitch is 36NF (national fine).  That works out to
> 1/36" for
> the pitch, which would be 0.027778.
> 

Are these sizes converted from metric, seems like the numbers are pretty weird 
for imperial ?  Is RMS a metric standard ?

Wayne Harridge

http://members.optusnet.com.au/~w_harridge

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