You might want to look into using a small liquid nitrogen tank. I know
(don't ask me how) that cattle breeders use them for storing "materials"
for artificial insemination, but I don't recall how often they
need to be refilled.


Jamie Howland
howland at circoncorp.com

On Wed, 26 Feb 1997, Kathleen Hunt wrote:

>
> Hi tweets --
>
> I'm planning a field season to Montana to look at chestnut-collared and
> McCown's longspurs. I've got an equipment question that I thought some of
> you might be able to offer some advice on: I need to find some sort of
> freezer, probably gas-powered, that will keep blood samples at -20C
> without electricity. Anyone know of such a thing? It could be quite
> small (just need a couple of cubic feet of freezer space) but must be
> reliable. Additionally we're looking for a little gas-powered generator
> that could be fired up every now and then to power a centrifuge. And, if
> anyone is familiar with the longspur populations of Montana, I'd love to
> talk with you!
>
> Apologizes for the slightly off-topic post. Thanks everyone....
>
> Kathleen Hunt
> U.W. Zoology
>
>
>
>