Annual Report of the Association of Ontario Land Surveyors, Band 19 |
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Seite 105
The material is usually put on in three layers ; the bottom layer 3 inches thick of 21 / 2 - inch material ; the second layer 2 inches thick of 112 - inch material , and the top layer 1 inch thick of 34 - inch material .
The material is usually put on in three layers ; the bottom layer 3 inches thick of 21 / 2 - inch material ; the second layer 2 inches thick of 112 - inch material , and the top layer 1 inch thick of 34 - inch material .
Seite 120
BY S. B. CODE , O.L.S. Owing to the superior qualities of cement concrete , as well as to its low cost in comparison with that of other materials formerly used , concrete sidewalks are now almost universally used in every city ...
BY S. B. CODE , O.L.S. Owing to the superior qualities of cement concrete , as well as to its low cost in comparison with that of other materials formerly used , concrete sidewalks are now almost universally used in every city ...
Seite 121
The labor is the largest item and costs as much for laying the walk with poor materials as with good materials . ... A covering of any fine superfluous material will interfere with the cement or mortar getting into contact with the ...
The labor is the largest item and costs as much for laying the walk with poor materials as with good materials . ... A covering of any fine superfluous material will interfere with the cement or mortar getting into contact with the ...
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Inhalt
Presidents Address | 7 |
Papers | 83 |
Future Prospects for Ontario Land Surveyors in the Mining | 98 |
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