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 11
Troy Weight 24 grains ( gr ) make 20 penny - weights , 12 ounces , 3. Avoirdupois Weight . 4 quarters , 20 hundred weight , 1 penny - weight , marked 1 ounce , 1 pound , 20 grains ( gr ) make 3 scruples , 8 drams , 16 drams ( dr . ) ...
Troy Weight 24 grains ( gr ) make 20 penny - weights , 12 ounces , 3. Avoirdupois Weight . 4 quarters , 20 hundred weight , 1 penny - weight , marked 1 ounce , 1 pound , 20 grains ( gr ) make 3 scruples , 8 drams , 16 drams ( dr . ) ...
Page 116
10 1 41 75 × 4 = 2 2 2 15 gross weight of one hhd , 4 4 gross weight of the whole , 20 whole tare . Ans . 38 3 12 neat . 2. What is the neat weight of 7 tierces of rice , each weighing 4 cwt . 1 qr . 9lb . gross , tare per tierce 34 lb.
10 1 41 75 × 4 = 2 2 2 15 gross weight of one hhd , 4 4 gross weight of the whole , 20 whole tare . Ans . 38 3 12 neat . 2. What is the neat weight of 7 tierces of rice , each weighing 4 cwt . 1 qr . 9lb . gross , tare per tierce 34 lb.
Page 227
I The strength of cables , and consequently the weights of their anchors , are as the cube of their peripheries . Therefore ; As the cube of the periphery of any cable , Is to the weight of its anchor ...
I The strength of cables , and consequently the weights of their anchors , are as the cube of their peripheries . Therefore ; As the cube of the periphery of any cable , Is to the weight of its anchor ...
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