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Books about Tullgren:
Social Work Practice in Mental Health: An introduction Large Print 16 pt Edition by Ann Tullgren, Robert Bland... (0010)
Spiders Collected In The Aysen Valley In South Chile By P. Dusen (1902) by Tullgren, Albert published by Kessinger... (Nov 21, 2009)
Wiki information Tullgren:
A Tullgren funnel, also known as Berlese funnel or Berlese trap, is an apparatus used to extract living organisms, particularly arthropods, from samples of soil. The Tullgren funnel works by creating a temperature gradient over the sample such that...
Herbert W. Tullgren was a noted architect in Wisconsin. He is said to have had no formal training. He died at age 54. A number of his works are listed on the U.S. National Register of Historic Places. Works include: Astor on the Lake, 924 E. Juneau...