The Miner's Manual of Arithmetic and Surveying ...

A B C angle by needle angle by theodolite Answer avoirdupois back observation base and perpendicular bearing black tin calculations Camborne Capt centre chord circle co-sine column headed commencement copper cubic feet decimals deduction Deg.min diameter difference direction distance divide division draft dwts east entered fathoms find the angles fore observation Geometrical progression given angle given side Goginan horizontal angle hypothenuse inches instrument kibbles length Liskeard lode logarithm of side logarithmic sine measure meridian multiply needle at station number of degrees obtained offsets opposite parallel ruler parcel perpen plumb line Problem proper column protractor quotient radius Redruth returning charges right angled triangle rule RULE-Multiply shaft side A C spirit level square standard straight line Subtract first term survey surveyor tangent tin stuff tons triangle A B Trigonometry Truro vernier vertical weight yards