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Photograph

Wisconsin Pest Control Conference

Date: 04 06 1950
Description: Group portrait of the 5th conference of the Wisconsin Pest Control, taken in the Crystal Ball Room of the Loraine Hotel.
Photograph

Wisconsin Pest Control Conference

Date: 03 29 1951
Description: Group portrait of attendees at the Wisconsin Pest Control 6th Conference in the Waubesa Room, Park Hotel, 22 South Carroll Street.
Photograph

Homemade Mosquito Duster

Date: 07 27 1944
Description: City of Madison staff demonstrating homemade liquid mosquito sprayer designed by Dr. Bernhard "Dommie" Domogalla, city biochemist. Left to right: LeRoy Joh...
Photograph

DDT Application

Date: 
Description: Two men operating a hose to spray DDT into tall grass near water.
Photograph

DDT Application

Date: 
Description: Men pumping DDT from a tank on the back of a truck to be sprayed into a field.
Photograph

Professor Karl Paul Link and Dr. Mohan Singh

Date: 07 15 1952
Description: Dr. Karl Paul Link, professor of biochemistry at the University of Wisconsin, right, is pictured with Dr. Mohan Singh, director of food preservations for t...

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