Memorandum beginning 'an acre Contains 43,560 square Feet',undated (Series 90.67) - No. 0001

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an acre Contains 43,560 square Feet if one square foot will maintain a Quickthorn - say That in 10 years 40,000 Quickthorns will be produced which at a foot asunder [apart] will Fence about 2400 Roods & be worth at 2/ a Rood £240

value of an acre of Quick at 10 years old ------ £240.00
Cost of Raising it as on the other side ----------     65.00                                                 
                                                             Profit      175.00
 or £17.5. per acre a year