The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 366
h the axis and spindle. A counterpoise issimilarly attached to the opposite side of the central telescopeto preserve the equilibrium. This latter form of attachment is more com-pact than the former, the principal objection toit being that a correction must be applied toeach reading of a horizontal…
Surveying
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