5 Of Apothecaries Weights.
The weights used by Apothecaries are Grains, Scruples, Drams, and Ounces, of which
Arithmetick: vulgar, decimal, instrumental, algebraical.: In four parts: conteining I Vulgar arithmetick, both in whole numbers and fractions, in a most plain and easie method. II Decimal arithmetick, with the ground and reason thereof, illustrated by divers examples. III Instrumental arithmetick, exactly performing all questions of what nature soever in a decimal way, by scales, with much more ease and facility then can be effected, either by vulgar or decimal arithmetick, the work of reduction being wholly avoided. Nothing in this kind having been hitherto published by any. IV Algebraical arithmetick, conteining an abridgement of the precepts of that art, and the use thereof, illustrated by examples and questions of divers kinds. Whereunto is added the construction and use of several tables of interest and annuities, weights and measures, both of our own and other countries. / By William Leybourn.
About this Item
- Title
- Arithmetick: vulgar, decimal, instrumental, algebraical.: In four parts: conteining I Vulgar arithmetick, both in whole numbers and fractions, in a most plain and easie method. II Decimal arithmetick, with the ground and reason thereof, illustrated by divers examples. III Instrumental arithmetick, exactly performing all questions of what nature soever in a decimal way, by scales, with much more ease and facility then can be effected, either by vulgar or decimal arithmetick, the work of reduction being wholly avoided. Nothing in this kind having been hitherto published by any. IV Algebraical arithmetick, conteining an abridgement of the precepts of that art, and the use thereof, illustrated by examples and questions of divers kinds. Whereunto is added the construction and use of several tables of interest and annuities, weights and measures, both of our own and other countries. / By William Leybourn.
- Author
- Leybourn, William, 1626-1716.
- Publication
- London :: Printed by R. and W. Leybourn, and are to be sold by George Sawbridge at the Bible on Ludgate-hill,
- 1660.
- Rights/Permissions
-
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- Subject terms
- Arithmetic
- Mathematics
- Algebra
- Cite this Item
-
"Arithmetick: vulgar, decimal, instrumental, algebraical.: In four parts: conteining I Vulgar arithmetick, both in whole numbers and fractions, in a most plain and easie method. II Decimal arithmetick, with the ground and reason thereof, illustrated by divers examples. III Instrumental arithmetick, exactly performing all questions of what nature soever in a decimal way, by scales, with much more ease and facility then can be effected, either by vulgar or decimal arithmetick, the work of reduction being wholly avoided. Nothing in this kind having been hitherto published by any. IV Algebraical arithmetick, conteining an abridgement of the precepts of that art, and the use thereof, illustrated by examples and questions of divers kinds. Whereunto is added the construction and use of several tables of interest and annuities, weights and measures, both of our own and other countries. / By William Leybourn." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A88112.0001.001. University of Michigan Library Digital Collections. Accessed May 1, 2024.
Pages
Page 21
- 20 Grains make 1 Scruple thus charact. ℥
- 3 Scruples make 1 Dram thus charact. ʒ
- 8 Drams make 1 Ounce thus charact. ℈
- 12 Ounces make 1 Pound thus charact. li.
By help of these Tables, and the rules and cau∣tions before expressed, any man may make addi∣tion of any of the abovesaid measures one with another, and therefore I shall forbear to illust∣rate them by Examples, but leave them to eve∣ry mans own practice, and thus I conclude Addition.