A Plain Elementary and Practical System of Natural Experimental Philosophy: Including Astronomy and ChronologyHopkins and Earle, 1809 - 538 страници |
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Страница iii
... Motion Momentum 79 81 Of Motion communicated to Non - elastic Bodies 82 to Elastic Bodies 83 Mechanics 89 - Of the Mechanic Powers 92 The Lever 93 The Pulley 95 The Wheel and Axle 96 The Inclined Plane and Wedge 97 The Screw Of Compound ...
... Motion Momentum 79 81 Of Motion communicated to Non - elastic Bodies 82 to Elastic Bodies 83 Mechanics 89 - Of the Mechanic Powers 92 The Lever 93 The Pulley 95 The Wheel and Axle 96 The Inclined Plane and Wedge 97 The Screw Of Compound ...
Страница iv
... Motion of Incompressible Fluids 201 Of the Tides Motion of Elastic Fluids Of Wind Of Sound Of Musical Sounds Of Echoes Optics Opacity and Transparency Refraction of Light 224 231 233 242 250 264 266 274 276 Reflexion of Light 283 ...
... Motion of Incompressible Fluids 201 Of the Tides Motion of Elastic Fluids Of Wind Of Sound Of Musical Sounds Of Echoes Optics Opacity and Transparency Refraction of Light 224 231 233 242 250 264 266 274 276 Reflexion of Light 283 ...
Страница 9
... motion ; though the original cause of that contraction remains still a secret : as it has given rise to many cu- rious speculations on the force and dispositions of the muscles , and opened a wide prospect into the wisdom and goodness ...
... motion ; though the original cause of that contraction remains still a secret : as it has given rise to many cu- rious speculations on the force and dispositions of the muscles , and opened a wide prospect into the wisdom and goodness ...
Страница 10
... motions . As Galileo laid open the effects of this unknown power in the motion of bodies near the sur- face of the earth , more fully than any philosopher be- fore his time ; the towering genius of the incomparable Newton pursued it ...
... motions . As Galileo laid open the effects of this unknown power in the motion of bodies near the sur- face of the earth , more fully than any philosopher be- fore his time ; the towering genius of the incomparable Newton pursued it ...
Страница 18
... MOTION , a vis INERTIÆ , or power of resisting any effort to change its state of motion or rest , AT- TRACTION , and REPULSION . These must be explain- ed . EXTENSION is that property of body , whereby it occupies and fills a certain ...
... MOTION , a vis INERTIÆ , or power of resisting any effort to change its state of motion or rest , AT- TRACTION , and REPULSION . These must be explain- ed . EXTENSION is that property of body , whereby it occupies and fills a certain ...
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Често срещани думи и фрази
acquired altitude angle of incidence angle of refraction appear arch atmosphere attraction axis bulk called center of force central force circle colour concave concave lens converge convex lens curve cycloid degree denser medium density descend diameter direction diverge earth ecliptic elastic electricity ellipsis equal equator fall feet fluid focal distance friction given glass globe greater greatest half heat heavy body Hence hole horizon increased inversely latus rectum length less magnet mercury meridian mirror moon moon's motion move nearer nonconductor object observed octave orbit parabola parallel particles pass pendulum perpendicular plane Plate pole pressure prime conductor produced projectile proportional quantity of matter radiant point radius rays of light reflected reflexion retina revolving right ascension round side sine sound space specific gravity square root string sun's surface syzygies tance tangent telescope thereby tides tion tube velocity vessel vial vibrations weight wheel wind
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Страница iii - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Страница iii - An Act supplementary to an Act, entitled " An Act for the Encouragement of Learning, by securing the copies of Maps, Charts, and Books, to the authors and proprietors of such copies during the time* therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.
Страница 264 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Страница iii - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Страница 266 - This amounts to the same with saying, that, in the case before us, the sine of the angle of incidence is to the sine of the angle of refraction in a given ratio.
Страница xiii - Alison, his former tutor and friend, and, after the usual period of preparatory study, he was licensed to preach the Gospel by the presbytery of Newcastle, in the state of Delaware.
Страница 162 - And hence, as the specific gravity of the fluid is to that of the body, so is the whole magnitude of the body to the part immersed.
Страница xxiv - His own investigation confirmed him in his belief of the doctrines of grace. These were the doctrines which he preached and which he endeavoured to impress upon the hearts of his people.* His discourses were written with accuracy; the truths which they contained were well examined and digested before he ventured to offer them to the public. He thought it a duty which he owed to his God and his hearers, to think before he spoke, to study and to ponder in private, before he arose in the presence of...
Страница xxvi - ... pastoral charge. The only serious disorder which he had, was the one which proved fatal, and which first seized him (in 1796) six years before his death. After his first attack he frequently preached, but never regained his strength of body, or vigour of mind. In his sickness he discovered patience, fortitude and resignation to the will of his heavenly Father. No murmur escaped his lips, and his last moments were closed apparently without a pang and without a struggle. In a good old age, in his...
Страница xxv - ... that weep. He was perfectly free from pedantry, and from every thing that bore its resemblance. In the company of philosophers, he was in his conversation the philosopher, and with the unlettered, the man of ease and accommodation. His talent of narration was universally admired. His observation of men and manners in this country and abroad furnished him with many scenes and facts which as painted and related by him were extremely entertaining. In domestic life he was amiable. He had all the...