Household And Farmers Cyclopedia One Hundred Thousand Facts for the People a
The book Household And Farmers Cyclopedia One Hundred Thousand Facts for the People a was written by author Daniel R Shafer Here you can read free online of Household And Farmers Cyclopedia One Hundred Thousand Facts for the People a book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Household And Farmers Cyclopedia One Hundred Thousand Facts for the People a a good or bad book?
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4 U MECHANICAL. over 6 feet diameter, one-half the open- ing to be deducted. For openings without frames, measure to the springing for the height by the width, deducting one jamb. For arches of vaults, sewers, etc. , take the outside circumference by the length and thickness. Ovens, coppers, boilers, etc. , are meas- ^ured as solid work, deducting only the ash-holes; but all the fire-brick, tiles, etc. , although measured alone, are not deduct- ed out of the brick- work. Paving is measured by t...he superficial yard, or 9 square feet, which will require 41 bricks when laid flat, and about twice that amount when laid on edge. A 9 inch wall will require 14 bricks. A 13 inch wall will require 21 bricks. A cubic foot of brick-work weighs from 120 to 125 pounds, avoirdupois. One bushel hydraulic cement will, where mixed with two bushels sharp . Sand, serve to lay 150 bricks. Mortar when made up should not be •disturbed for several days, and during the period of its consumption should be broken down and "tempered" in no larger quantities than may be required for use from day to day.
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