On 12/07/2012 20:56, Steven Desjardins wrote:
We don't use the three way ones at all.  Virtually all of students get
the hang of the removable ones quickly and have more trouble getting
good results with the others.  Just our experience, of course.

Most of our students seem to be descendants of Hamfist the Barbarian.


On Thu, Jul 12, 2012 at 10:43 AM, mike wilson <[email protected]> wrote:
On 12/07/2012 03:30, Steven Desjardins wrote:

Of course not by mouth.  She used a bulb to fill it beyond the line
and is slowly releasing it to the right amount.  The bulb is designed
to work when you press it against the pipette and not to be
permanently attached.


I've never got the hang of those rascals.  A plain or valved bulb seems to
work best for me.  The original pi-pumps were ok, too, but the copies are
just dreadful.



On Wed, Jul 11, 2012 at 5:51 PM, mike wilson <[email protected]>
wrote:

On 10/07/2012 23:48, Steven Desjardins wrote:


Can't tell if this made it in:



http://drd1135.smugmug.com/Photography/pdml/i-JzZTJhn/0/XL/pipette-1-XL.jpg

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