The product (rectangle) of the segments of the diameter is, therefore, 32 X 2 = 64. ... We should then find the segmental spaces equal together to 3180 square inches, which being substituted for the value obtained by treating the segments asanbsp;...
|Title||:||Loftus's Inland Revenue Officers' Manual: a guide to the duties and qualifications of persons employed in the Excise Surveying Department. Written and edited by W. H. J. ... [With] wood engravings, etc|
|Author||:||William Harris JOHNSTON, William Robert LOFTUS|