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C. Earl Libby and F. W. O'Neil using cooking vessel to change logs to pulp

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Item information

Title:
C. Earl Libby and F. W. O'Neil using cooking vessel to change logs to pulp
Topics:
People
Forestry
Subjects:
Inventors
College teachers
Wood-pulp
Mechanical pulping process
Papermaking
Hardwoods
Original Format:
Black-and-white print (photograph); 7-1/2 x 9
Item identifier:
0226865
Photographer:
Distributor:
Created Date:
circa to
Description:
State College University of New York, College of Forestry, Syracuse, New York; New York State College of Forestry, Chemigroundwood Process: Chemical cooking before grinding is key to success of new chemigroundwood process revealed by New York State College of Forestry, Syracuse, as first commercial method of getting good, cheap paper pulp from hardwoods (aspen, birch, beech, maple). Here Professor C. Earl Libby, left, director of hardwood pulping research, watches Professor Frederic W. O'Neil, right, assistant director, put logs in cooking vessel (digester), in first step in process which will change logs to quality pulp for less than $40 per ton. Most paper is now made from ground softwood pulp costing $65 per ton.
Genre:
Photographs
Names:


Location:
Syracuse (N.Y.)
Digital Project:
University Archives Photographs

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