Calendar: 1883-1884 Page 190

186 APPLIED SCIENCES The lectures to the Students of the First Year comprise -the Application of Practical Geometry to the purposes of Surveyor Standards of Length Scales Areas Reducing and Equalising Plane Figures Division of Land Duties of Surveyor Chain Surveying by the Chain Chain Angles Offsets and Staff Base Lines Field Book Surveying Sym- bols Continuation and Measurement of Base Lines when Obstructed Ascertaining Distances to Inaccessible Objects Erecting Perpendiculars with the Chain Classification Surveys Cases of Surveying explanatory of the various Difficulties met with in Practice Surveying by Traverse Cross Staff Optical Square Altazimuth Prismatic Compass Circumferentor Theodolite Level and Staff Box Sectant Clinometer Angles of Elevation and Depression Allowances for hypothenusal error when surveying on hilly ground the Protractor and Sector the Meridian Line the Variation of the Needle from the true North the Vernier Plotting Surveys from Field Notes Plan drawing and transferring Plans en- Urging and reducing Plans by the Pentagraph Eidograph and by the method of Squares During the Easter Term there is also instruction in the ΙΈ ------ ---- VUUII Jil Bieid chain survey is carried out in the field and th mil difficulties that are met with in practice are dealt with The Circumferentor Theodolite and Level are used Second Year Lecture Room from to every Friday during the Michael- mas and Lent Terms Field Work at 10 every alternate Saturday in the same Terms The Second Year course deals both in the Lecture Room and in the Field with the extended application in practice of the various surveying instruments -Methods of Conducting Surveys of Towns by Theodolite and Traverse Surveys of Estates for Railways Roads Canals &v the application of Plane Trigonometry and Logarithms Correction for Altitude Computation of Areas by the determination of height and distances by triangulation the Computing Scale and by the Planimeter Dialling for Mining operations Setting out