Archived posting to the Leica Users Group, 1998/09/06

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Subject: RE: [Leica] Invert or rotate
From: "Daniel Ho" <>
Date: Sun, 6 Sep 1998 15:07:42 -0400

I invert and bang for the first minute or two.  Then go to rotating.  No
real reason.  The invert and bang is to dislodge air bubbles.  The rest is
probably laziness.  Seems to work out though...I can't see any difference
between what I do and solely inverting or rotating...

Chacun son gout!


> -----Original Message-----
> From:
> []On Behalf Of bentua
> Sent: Sunday, September 06, 1998 11:30
> To:
> Subject: [Leica] Invert or rotate
> I use Paterson tanks for developing 35 mm and 120/220 mm film.  Each of
> these tanks come with a device with which you can rotate the reels back
> and forth while the tank stays on the tabletop.  I use this rotating
> method instead of inverting the tank, one back and forth rotation
> substituting for one full (90 degrees and reverse)  inversion.  I find
> this method simpler and less messy since there's no possibility of
> spillage and I don't even have to use the tank cover.
> I would like to solicit other people's opinions about this method.
> There may be advantages/disadvantages to either method that I am not
> aware of.
> Thanks in advance.
> Ben