A TREATISE ON THE PRINCIPLES AND PRACTICE OF LEVELLING |
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A Treatise on the Principles and Practice of Levelling: Showing Its ... Frederick Walter Simms,Henry Law No preview available - 2018 |
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adjustment angle appear application assumed bank base calculations centre Cloth column complete computed half width consequently considered construction contained correct cross curvature curve cutting datum line depth described determined diagram difference of level direction distance Drawing earth edge edition embankment Engineer equal error example experiments fall feet foot fore former forward forward station give given glass greater ground height held horizontal Illustrated inches inclination instrument intended length mean measured Merrimack River method mile move natural necessary notes object observer obtain once operation perpendicular placed plates portion position practice present produced quantity radius rail railway reading reduced refer represent result rise road rules scale seen shown side sight slope staff stake staves stones surface Tables taken telescope tion whole wires
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