=====================
Joseph,
If you wait around a propane-butane charged A/C system trying to caputure a
spectacular explosion on your OM-camera, you'll likely have a very long
wait!
Butane-propane is a viable alternative for freon in A/c systems, especially
mobile (i.e., automobiles). Propane is carried safely on board many camper
=====================
These are refigerators that use propane instead of electricity as a source
of energy, not as a refrigerant gas-- completely different issue. Back
when Einstein did this work, propane was use as the *refrigerant*, and because
it needs to be compressed considerably, these refrigerators were quite
dangerous. I didn't know the timetable for when such refrigerators were
discontinued, but another list users was kind enough to email me and say
they were no longer made after the 1920's.
Joseph
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