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[OM] Re: OT Darkroom Thermometer

Subject: [OM] Re: OT Darkroom Thermometer
From: "James N. McBride" <jnmcbr@xxxxxxx>
Date: Sun, 22 Feb 2004 20:28:52 -0700
I guess my little mind is a bit warped. My initial thought was to put the
thing in the blender and all those little parts would get together. /jim

-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx]On
Behalf Of Andrew Gullen
Sent: Sunday, February 22, 2004 7:47 PM
To: olympus@xxxxxxxxxx
Subject: [OM] Re: OT Darkroom Thermometer


You can heat the thermometer up so the "bubble" is forced into the expansion
chamber at the top and the two sections rejoin. Assumptions:
- there's a small expansion chamber at the top (all the ones I've seen do).
- the temperature required to get the spirit up to there (you can estimate)
  is less than 100C. Also, that this is less than the boiling point of the
  spirit. For my Patterson, it's about 70C.
These are probably safe assumptions.

This method won't work if the break is too far down - you'd have to overheat
the thermometer.

<< snip



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