Jun Zhu researches animal manure management related to air quality (odor and gas emissions from manure storages and buildings), nutrient treatment technologies and seepage issues (water quality), and value added products produced from manure (renewable energy and marketable chemicals). Minnesota Agricultural Experiment Station project #12-019, "...
Creator:
Hansen, David L., 1952-
Created:
2007-09-14
Contributed By:
University of Minnesota, Minnesota Agricultural Experiment Station.
Man assembles gears for the millionth machine manufactured by Burroughs. Trays of parts are in the foreground and other employees visible are visible in the background.
Created:
1926
Contributed By:
University of Minnesota Libraries, Charles Babbage Institute.
A middle aged man seated at a work bench assembling the millionth machine manufactured by Burroughs. Tools and parts on either side of machine are clearly visible : factory window panes form background.
Created:
1926
Contributed By:
University of Minnesota Libraries, Charles Babbage Institute.
The Indian Posts & Telegraphs Department set up this telegraph workshop at Alipore, Calcutta in early 1855 as a repair workshop, and gradually it started production of Telegraph and Telecom equipment. This workshop supplied Telegraph/Telecom materials throughout India (including the territory of Burma prior to 1937). This is one of a set of 45 p...
Created:
1920 - 1929
Contributed By:
University of Minnesota Libraries, Ames Library of South Asia.