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.
Rights/Permissions
To the extent possible under law, the Text Creation Partnership has waived all copyright and related or neighboring rights to this keyboarded and encoded edition of the work described above, according to the terms of the CC0 1.0 Public Domain Dedication ( http://creativecommons.org/publicdomain/zero/1.0/). This waiver does not extend to any page images or other supplementary files associated with this work, which may be protected by copyright or other license restrictions. Please go to http://www.textcreationpartnership.org/ for more information.
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
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 21, 2025.
Pages
SINES.
NOte, That a Sine falls al∣ways within the Quadrant of a Circle, as CD, which is the Sine of the Arch BC 60 Degrees; and by the Table of Natural Sines, to every Degr. of the Quadrant which I have fitted for this purpose, whose Radius is 1000, you shall find the Sine of 60 deg. to be 86.6. I take therefore with my Compasses 86 from my Scale of Equal Parts, and set them from A towards 8 in the Line of Sines for 60 Degrees, where the Radius of the Circle is AB, and CE is the Comple∣ment thereof, or Sine of 30 Degrees of the Arch C 8, the Number in the Table an∣swering 30 Degrees is 500; take therefore with your Compasses 50 equal Parts of A B, and lay it from A upon the Line of Sines for 30 towards 8; and so of the rest.
A Table of Natural Sines to the Radius of 1000.
De
Sines.
De
Sines.
De
Sines.
De
Sines.
De
Sines.
De
Sines.
1
17
16
275
31
515
46
719
61
874
76
970
2
34
17
292
32
529
47
731
62
888
77
974
3
52
18
309
33
544
48
743
63
891
78
978
4
69
19
325
34
559
49
754
64
898
79
981
5
87
20
342
35
573
50
766
65
906
80
984
6
104
21
358
36
587
51
777
66
913
81
987
7
124
22
374
37
601
52
788
67
920
82
990
8
139
23
390
38
615
53
798
68
927
83
992
9
156
24
406
39
629
54
809
69
933
84
994
10
178
25
422
40
642
55
819
70
939
85
996
11
190
26
438
41
656
56
829
71
945
86
997
12
207
27
453
42
669
57
838
72
951
87
998
13
224
28
469
43
682
58
848
73
956
88
999
14
241
29
484
44
694
59
857
74
961
89
999
15
258
30
500
45
707
60
866
75
965
90
1000
email
Do you have questions about this content? Need to report a problem?
Please contact us.