Box 2
Container
Contains 94 Results:
Canadian Patent #885,148 - Waste Water Treatment (Photocopy), 1971
File — Box: 2, Folder: 21
Canadian Patent #910,777 - Method for Determining Phosphate Content of Liquids Containing Polyphosphate Compounds (Photocopy), 1972
File — Box: 2, Folder: 22
Canadian Patent #912,424 - Method of Determining the Chromium Content of Aqueous Mediums (Photocopy), 1972
File — Box: 2, Folder: 23
Canadian Patent Petition and Specification - Boiler Compound, 1937
File — Box: 2, Folder: 24
Memo - Chemical Feed Methods and Apparatus (Photocopy), 1969
File — Box: 2, Folder: 25
Memo - Patent on Oxalic Acid (Photocopies), 1969
File — Box: 2, Folder: 26
Miscellaneous Sheets (Photocopies), 1952-1967, undated
File — Box: 2, Folder: 27
Dates:
1952-1967, undated
U.S. Patent #2,307,466 - Magnesium Oxide Hot Process for Silica Removal from Water, 1943
File — Box: 2, Folder: 28
U.S. Patent #2,843,138 - Liquid Proportioner (Photocopy), 1958
File — Box: 2, Folder: 29