Calendar: 1880-1881 Page 676
Please note: The digitised calendars in this site have had their contents extracted using OCR (optical character recognition) and as a result, there may be occasional errors in the text. We are working on correcting these errors, but this may take some time.
Page content
676 APPLIED SCIENCES Level being out of adjustment what practical means must be adopted to insure accuracy Give the correction for earth's curvature The apparent level is straight line tangent to the earth the true level is curve the correction being the correction referred to in the previous question What other error is found frequently to exist which as well as the error for curvature is provided for in the practical means referred to in Question Given the following distances and heights to find the several rates of inclination Chs Feet 200 240 50 250 300 3-20 275 10 Given the following distances and heights above the balance line to find the cubical contents the centre being 30 feet and the slopes to Chs Feet At 0-00 Ό0 30 50 12-40 16-00 25 32-00 Given also 0-00 24 6-00 30 and centres and slopes as before Work out contents by prismoidal formula SECOND YEAR Booh of Logarithms required Describe the several adjustments of the theodolite Given the lergth of base line 860 yards upon mountain plateau 000 feet above the level of the sea what
Further information
For further information about this page, please click here to contact us ›
