The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 288
y fitted forthis purpose. The divisions for the quarter girt scale, allowing for thebark, are found by dividing one foot in the ratio of 864 equalparts, each division being l388in.; and such divisions, whenthe gauge is applied to a tree, are representatives of the realinches of its quarter girt… … 37 customafy in different districts ; and, when 1*388 issubdivided into four equal parts, the half and quarterinches are shown. The quarter girt scale, without allowance forthe bark, requires one foot to be divided in theratio of 9425 equal parts, each part representativeof an inch being 1273 in.…