The polymeter, or quintant |
From inside the book
Results 1-5 of 6
Page 15
... inclination of the principal slopes in his survey . It is laid down in military books that the incli- nation of such slopes as exceed 60 ° are inaccessible for infantry , 300 cavalry , 150 ..... wheeled carriages , 5o easy for wheel ...
... inclination of the principal slopes in his survey . It is laid down in military books that the incli- nation of such slopes as exceed 60 ° are inaccessible for infantry , 300 cavalry , 150 ..... wheeled carriages , 5o easy for wheel ...
Page 16
... inclination of the chief slopes in the survey ; and especially in making a reconnoissance of the incline of the roads . In order to this , the draughtsman must lay his Polymeter , standing on its edge on the ground , on some spot of ...
... inclination of the chief slopes in the survey ; and especially in making a reconnoissance of the incline of the roads . In order to this , the draughtsman must lay his Polymeter , standing on its edge on the ground , on some spot of ...
Page 17
... inclination , it will neither calculate a slope for you , having the base and perpendicular given , nor determine the base and perpendicular of any given slope , whose inclination it ascertains . This is effected by the use of the Metal ...
... inclination , it will neither calculate a slope for you , having the base and perpendicular given , nor determine the base and perpendicular of any given slope , whose inclination it ascertains . This is effected by the use of the Metal ...
Page 18
... inclination of the rods until the air - bubble be seen stationary in its proper place . For the tables of ranges of guns of every character , of Rockets , & c . the reader is referred to the Hand - Book for Field Service , or Field ...
... inclination of the rods until the air - bubble be seen stationary in its proper place . For the tables of ranges of guns of every character , of Rockets , & c . the reader is referred to the Hand - Book for Field Service , or Field ...
Page 22
... inclination of the plane of the instrument as to prevent the oscillations of the Needle , cannot be taken at all by direct observation . In this case mark with the level or plumb some point in the same vertical line with your object ...
... inclination of the plane of the instrument as to prevent the oscillations of the Needle , cannot be taken at all by direct observation . In this case mark with the level or plumb some point in the same vertical line with your object ...
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Common terms and phrases
angle of elevation angle required Annex Artificial Horizon base centre circle Clinometer Compass-leg Conic Sections constructed Crown 8vo diameter Differential Calculus dimensions distance division draughtsman English Mile English Yards engraved equivalent number Friedrichs d'or German given angle given side given to find graduated disc half-arrow hinge-joint hypotenuse inches inner edges joint length Line of Lines lower leg magnetic bearing Marquois Scales measure ment Meridian metal Square metre Millimetres Mirror number of yards observed Open the instrument Open the Sector opposite leg outer edge parallel Parallel Ruler perpendicular plane Polymeter Proportional Compasses Protractor quadrant Quintant radius required angle required triangle right angle right-angled triangle ruler Russian Werst scale of equal secant lines Second Edition Sector's legs set of graduations Sextant shadow sight-vane Sine sion slided Spirit-Level stands tenuse third angle Third Edition third side Treatise Trigonometer University of Cambridge Vernier Scale
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