Hi Jim and David,
What an interesting problem exercise. I was investigating some of this years ago in relation to old Scottish measures of the Corn Gallon I mentioned to Jim Wakefield recently of 27225 being /100 the cubic ins. value, in relation to seeding rates of an acre. 8 Corn gallons being 2178 cu.in. Scottish bushel capacity, also being half an acre value. Also interesting the ratio of the old Saxon acre being the same as the cubic in. value of Barley density to Water as the Jugerem.(kinda makes you wonder now where the term Jug for gallon comes from don't it?) And Barley being 157.5 grains per cu.ins., which is also the solution to this Circ. problem value as well. Provided of course your digit is defined in terms of the predecessor Meter value of 39.375 ins. instead of 39.37. The figure of 2160 was considered to be a predecessor of the modern Winchester Bushel capacity today by Martin Doutre. It is in ratio to the old Scottish bushel as 121/120. 39.375 / 54 = .72916666 x 2160 million is 1575000000 ins. Which figure should be obvious to more than a few around here by now. :) But yea, that 1536 figure can be a real bugger I agree. LOL! Was Berriman a Mason perhaps?
Edited 1 time(s). Last edit at 13-Dec-19 05:03 by magisterchessmutt.