Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetick, Adapted to the United States |
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Page 12
In measuring depths , six feet make 1 fathom or French toise . Distances are measured by a chain , four rods iong , containing one hundred links 144 square 9. Land , or Square Measure . inches 12 ARITHMETICAL TABLES .
In measuring depths , six feet make 1 fathom or French toise . Distances are measured by a chain , four rods iong , containing one hundred links 144 square 9. Land , or Square Measure . inches 12 ARITHMETICAL TABLES .
Page 13
144 square 9. Land , or Square Measure . inches make 1 square foot . 9 square feet , 1 square yard 301 square yards , or 2721 square feet , 1 square rod . 40 square rods , 1 square rood . 4 square roods , 1 square acre .
144 square 9. Land , or Square Measure . inches make 1 square foot . 9 square feet , 1 square yard 301 square yards , or 2721 square feet , 1 square rod . 40 square rods , 1 square rood . 4 square roods , 1 square acre .
Page 14
... denote them to be proportional to one another , by the rule of three ; as 2 : 4 :: 8 : 16 ; that is , as 2 to 4 , so is 8 to 16 . ✓ Prefixed to any number , supposes that the square root of that number is required .
... denote them to be proportional to one another , by the rule of three ; as 2 : 4 :: 8 : 16 ; that is , as 2 to 4 , so is 8 to 16 . ✓ Prefixed to any number , supposes that the square root of that number is required .
Page 44
LAND OR SQUARE MEASURE . acres . roods . rods . acres , roods . rods . sq.ft. sq . in . 478 3 31 856 2 18 5 136 816 2 17 19 3 00 6 129 49 1 27 9 1 39 8 134 63 3 34 1 3 0 143 9 3 37 o 2 27 4 34 00 , T. 41 12 49 4 ft .
LAND OR SQUARE MEASURE . acres . roods . rods . acres , roods . rods . sq.ft. sq . in . 478 3 31 856 2 18 5 136 816 2 17 19 3 00 6 129 49 1 27 9 1 39 8 134 63 3 34 1 3 0 143 9 3 37 o 2 27 4 34 00 , T. 41 12 49 4 ft .
Page 48
LAND OR SQUARE MEASURE . A. 130 49 10. Yd . qr : na . 35 1 2 19 1 3 5. CLOTH MEASURE . E.E. qr . na . 467 3 1 291 3 2 E.Fl. gr . na . 765 1 3 149 2 1 Yd . gr . na . 813 3 1 174 1 E.E. qr . na . 615 0 1 226 22 E.Fl. gr . na .
LAND OR SQUARE MEASURE . A. 130 49 10. Yd . qr : na . 35 1 2 19 1 3 5. CLOTH MEASURE . E.E. qr . na . 467 3 1 291 3 2 E.Fl. gr . na . 765 1 3 149 2 1 Yd . gr . na . 813 3 1 174 1 E.E. qr . na . 615 0 1 226 22 E.Fl. gr . na .
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