The polymeter, or quintant |
From inside the book
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Page v
... SLOPE - GAUGE Embankments GUNNER'S QUADRANT ARTIFICIAL HORIZON Altitude of the Sun , & c . QUINTANT COMPASS Bearings of Objects WAYWISER AZIMUTH COMPASS MID - DAY DIAL • To find Noon . Equation of Time SUN - DIAL The Latitude • The ...
... SLOPE - GAUGE Embankments GUNNER'S QUADRANT ARTIFICIAL HORIZON Altitude of the Sun , & c . QUINTANT COMPASS Bearings of Objects WAYWISER AZIMUTH COMPASS MID - DAY DIAL • To find Noon . Equation of Time SUN - DIAL The Latitude • The ...
Page 15
... 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 - carriages . Hence it is ...
... 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 - carriages . Hence it is ...
Page 16
... 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 average slope , the round ...
... 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 average slope , the round ...
Page 17
... SLOPE - GAUGE . A Slope - Gauge differs from a Clinometer in this , viz . that whereas a Clinometer will measure an inclination , it will neither calculate a slope for you , having the base and perpendicular given , nor determine the ...
... SLOPE - GAUGE . A Slope - Gauge differs from a Clinometer in this , viz . that whereas a Clinometer will measure an inclination , it will neither calculate a slope for you , having the base and perpendicular given , nor determine the ...
Page 18
Frederick Robert A. Glover. breadth of each slope , dependent on the base and perpendicu- lar of the triangle of the profile , to which it will be the hypote- nuse as before , having been ascertained by the instrument ; so that with the ...
Frederick Robert A. Glover. breadth of each slope , dependent on the base and perpendicu- lar of the triangle of the profile , to which it will be the hypote- nuse as before , having been ascertained by the instrument ; so that with the ...
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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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