As for Example.
Admit you were to seek the Right-Range of a Bullet, that the Piece was fired at 30 degrees Mounture, and the Dead-Range of the Bullet was known to be 2200 Paces.
2200 × 693/2150 = 710 Paces.
The mariners magazine, or, Sturmy's mathematical and practical arts containing the description and use of the scale of scales, it being a mathematical ruler, that resolves most mathematical conclusions, and likewise the making and use of the crostaff, quadrant, and the quadrat, nocturnals, and other most useful instruments for all artists and navigators : the art of navigation, resolved geometrically, instrumentally, and by calculation, and by that late excellent invention of logarithms, in the three principal kinds of sailing : with new tables of the longitude and latitude of the most eminent places ... : together with a discourse of the practick part of navigation ..., a new way of surveying land ..., the art of gauging all sorts of vessels ..., the art of dialling by a gnomical scale ... : whereunto is annexed, an abridgment of the penalties and forfeitures, by acts of parliaments appointed, relating to the customs and navigation : also a compendium of fortification, both geometrically and instrumentally / by Capt. Samuel Sturmy.
About this Item
- Title
- The mariners magazine, or, Sturmy's mathematical and practical arts containing the description and use of the scale of scales, it being a mathematical ruler, that resolves most mathematical conclusions, and likewise the making and use of the crostaff, quadrant, and the quadrat, nocturnals, and other most useful instruments for all artists and navigators : the art of navigation, resolved geometrically, instrumentally, and by calculation, and by that late excellent invention of logarithms, in the three principal kinds of sailing : with new tables of the longitude and latitude of the most eminent places ... : together with a discourse of the practick part of navigation ..., a new way of surveying land ..., the art of gauging all sorts of vessels ..., the art of dialling by a gnomical scale ... : whereunto is annexed, an abridgment of the penalties and forfeitures, by acts of parliaments appointed, relating to the customs and navigation : also a compendium of fortification, both geometrically and instrumentally / by Capt. Samuel Sturmy.
- Author
- Sturmy, Samuel, 1633-1669.
- Publication
- London :: Printed by E. Cotes for G. Hurlock, W. Fisher, E. Thomas, and D. Page ...,
- 1669.
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This text has been selected for inclusion in the EEBO-TCP: Navigations collection, funded by the National Endowment for the Humanities.
- Link to this Item
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http://name.umdl.umich.edu/A61915.0001.001
- Cite this Item
-
"The mariners magazine, or, Sturmy's mathematical and practical arts containing the description and use of the scale of scales, it being a mathematical ruler, that resolves most mathematical conclusions, and likewise the making and use of the crostaff, quadrant, and the quadrat, nocturnals, and other most useful instruments for all artists and navigators : the art of navigation, resolved geometrically, instrumentally, and by calculation, and by that late excellent invention of logarithms, in the three principal kinds of sailing : with new tables of the longitude and latitude of the most eminent places ... : together with a discourse of the practick part of navigation ..., a new way of surveying land ..., the art of gauging all sorts of vessels ..., the art of dialling by a gnomical scale ... : whereunto is annexed, an abridgment of the penalties and forfeitures, by acts of parliaments appointed, relating to the customs and navigation : also a compendium of fortification, both geometrically and instrumentally / by Capt. Samuel Sturmy." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A61915.0001.001. University of Michigan Library Digital Collections. Accessed June 7, 2025.
Pages
Page 74
| Degr. | Paces. |
| 0 | 192 |
| 1 | 298 |
| 2 | 404 |
| 3 | 510 |
| 4 | 610 |
| 5 | 722 |
| 6 | 828 |
| 7 | 934 |
| 8 | 1044 |
| 9 | 1129 |
| 10 | 1214 |
| 11 | 1296 |
| 12 | 1394 |
| 13 | 1469 |
| 14 | 1544 |
| 15 | 1622 |
| 16 | 1686 |
| 17 | 1744 |
| 18 | 1792 |
| 19 | 1849 |
| 20 | 1917 |
| 25 | 2013 |
| 30 | 2150 |
| 35 | 2249 |
| 40 | 2289 |
| 42 ½ | 2296 |
| 45 | 2289 |
| 52 ½ | 2283 |
| 60 | 1792 |
| Or look in this Table of Dead-Ranges against 30 degrees is 2150) | 333243 |
| And the Dead-Range given or known for 30 degrees to be 2800 Paces. | 334242 |
| The Number against 30 degrees in the first Table of Point-blanks 693 | 284073 |
| The Sum | 618315 |
| Gives the Logarithm of 710 Paces for the Right-Range of | 285072 |
The Bullet carryed violently in a Right-Line at 30 degr. Moun∣ture.
But admit the Level Right-Range is given, and the Right-Range of 30 degrees Mounture be sought.