Adjustments of the Compass, Transit, and Level |
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A₁ acute angle adjustment Analytic Geometry applications B₁ bisect the target bring the bubble BYERLY'S C₁ C₂ center by means clamp the plates Coll conical surface cross-wires d₁ Differential Calculus distance effect elementary equal eye-piece field of view fix the wires G₁ Geometry half-way back Harvard University horizontal axis horizontal circle hundred feet distant Integral Calculus intersection of H Introduction J₁ James Mills K₁ level the instrument level tube-case leveling-screws line of collimation line of sight Mailing Price Math Mathematics method move needle Newtonian Potential P₁ P₂ parallel perpendicular pivot plane of reference point P₁ Prof Professor of Mathematics Quaternions ratio Repeat revolve the telescope rod held S₁ similar triangles slight rotation spindle stake student Syllabus takes the position text-book tion Transit treatise Turning the instrument Unclamp vernier zero vertical arc vertical circle vertical plane vertical wire W. E. BYERLY wye bearings
Popular passages
Page 45 - Its peculiarities are the rigorous use of the Doctrine of Limits, as a foundation of the subject, and as preliminary to the adoption of the more direct and practically convenient infinitesimal notation and nomenclature ; the early introduction of a few simple formulas and methods for integrating ; a rather elaborate treatment of the use of infinitesimals in pure geometry ; and the attempt to excite and keep up the interest of the student by bringing in throughout the whole book, and not merely at...