photocopying, scanning herbarium sheets

Dr. Gerald Stinger Guala stinger at FAIRCHILDGARDEN.ORG
Fri Oct 4 10:39:34 CDT 2002


We actually went to great lengths here to make an upside down scanner and
found that there was actually less damage to the specimens in just turning
them over because the tradeoff between scanner hieght/pressure is very
difficult to regulate appropriately when the scanner is upside down. Focus
is also a slight problem because the components were made to work the other
way. A brush after each scan keeps things where they should be.


Gerald "Stinger" Guala, Ph.D.
Keeper of the Herbarium
Fairchild Tropical Garden Research Center
11935 Old Cutler Rd.
Coral Gables, FL 33156-4299

www.virtualherbarium.org

-----Original Message-----
From: Taxacom Discussion List [mailto:TAXACOM at USOBI.ORG]On Behalf Of
Piet Stoffelen
Sent: Friday, October 04, 2002 10:10 AM
To: TAXACOM at USOBI.ORG
Subject: Re: photocopying, scanning herbarium sheets


You can use a scanner upside down, then you do not turn the specimen
upside down, no damage, no problem

"Steven R. Manchester" wrote:

> >More than one botanist I know has taken to calling such photocopied
> >(the 11" x 17" paper is conveniently about the same size as a
> >standard herbarium sheets) or scanned-and-printed images "xerotypes"
> >or "xeroxtypes." Monique Reed
>
> I was taught never to turn an herbarium specimen upside down due to
> the damage from pieces that will fall away from the sheet.  How does
> one prepare photocopies or scans of herbarium sheets without causing
> more damage than would have occurred by actually loaning the
> specimens?
> --
> Dr. Steven R. Manchester
> Curator of Paleobotany
> Florida Museum of Natural History
> Dickinson Hall PO 117800
> Museum Road and Newell Drive
> University of Florida
> Gainesville FL  32611-7800
> Ph 352 392 1721 ex 495
> Fax 352 846 0287
>
> http://www.flmnh.ufl.edu/staff/cvs/steven_cv.htm

Piet Stoffelen, PhD
Assistent of the Curator
National Botanic Garden of Belgium
Domein van Bouchout
1860 Meise
Belgium




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