The Engineering Record, Building Record and the Sanitary Engineer
The logwood solution is made as follows: Take two grams of logwood chips ... No wash water is used at any of the decanta- tions. ... A study of the forces in granular substances has led me into this field, and ... the principal load being incandescent lights, although the service includes a number of motors of considerable size.
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rabidredneck's website is rabidredneck.us