Elements of Physical Manipulation, Part 1Hurd & Houghton, 1873 |
From inside the book
Results 1-5 of 74
Page x
... READING MICROSCOPES 55 21. DIVIDING ENGINE . 56 22. RULING SCALES 59 MECHANICS OF SOLIDS . 23 . COMPOSITION OF FORCES 24 . MOMENTS 689 62 63 25 . PARALLEL FORCES 64 26 . CENTRE OF GRAVITY 66 27 . CATENARY · 67 28 . CRANK MOTION 29 ...
... READING MICROSCOPES 55 21. DIVIDING ENGINE . 56 22. RULING SCALES 59 MECHANICS OF SOLIDS . 23 . COMPOSITION OF FORCES 24 . MOMENTS 689 62 63 25 . PARALLEL FORCES 64 26 . CENTRE OF GRAVITY 66 27 . CATENARY · 67 28 . CRANK MOTION 29 ...
Page 2
... reading very small dis- tances by the eye , & c . , which sometimes render the result too large , sometimes too small . They are called accidental errors , and are unavoidable ; they must be carefully distinguished from the mis- takes ...
... reading very small dis- tances by the eye , & c . , which sometimes render the result too large , sometimes too small . They are called accidental errors , and are unavoidable ; they must be carefully distinguished from the mis- takes ...
Page 3
... example , suppose we have measured the height of the barometer twenty - five times , and find the mean 29.526 with a probable error of .001 inches . Then it is an even chance that the true reading is more than 29.525 , ANALYTICAL METHOD .
... example , suppose we have measured the height of the barometer twenty - five times , and find the mean 29.526 with a probable error of .001 inches . Then it is an even chance that the true reading is more than 29.525 , ANALYTICAL METHOD .
Page 4
... reading . Substituting in the formula , we have the probable error of a single reading , E ' = EX √n = .67√ej2 + e + & c . ÷ √n . It is gene- rally best to compute E ' as well as E , and thus learn how much dependence can be placed ...
... reading . Substituting in the formula , we have the probable error of a single reading , E ' = EX √n = .67√ej2 + e + & c . ÷ √n . It is gene- rally best to compute E ' as well as E , and thus learn how much dependence can be placed ...
Page 6
... reader is re- ferred to the following works . Méthode des Moindres Carrées par Ch . Fr. Gauss , trad . par J. Bertrand , Paris , 1855 , Watson's Astronomy , 360 , Chauvenet's Astronomy , II , 500 , and Todhunt- er's History of the ...
... reader is re- ferred to the following works . Méthode des Moindres Carrées par Ch . Fr. Gauss , trad . par J. Bertrand , Paris , 1855 , Watson's Astronomy , 360 , Chauvenet's Astronomy , II , 500 , and Todhunt- er's History of the ...
Other editions - View all
Common terms and phrases
abscissas accuracy accurate amount angle of incidence angular aperture aperture Apparatus attached axis barometer beam brass Canada balsam centre coincide color column compute construct contour lines cross-hairs crystal curve determined diameter distance divided draw equal equation error Experiment eye-piece focus friction gives graduated circle hole horizontal hydrometer inches index of refraction instrument intervals latter length lens lenses liquid marked measure mercury meter method micrometer microscope millimetre minute mirror moving nearly Nicol's prism object observations obtained opthalmoscope paper parallel pass piece placed plane of polarization plate of glass polariscope polarized light position pressure reading reflected refraction remove rendered residual curve retina right angles scale scale-pan screw side slide slit specific gravity spherometer surface telescope temperature tenths tube turn varying velocity vernier vertical vibrations visible volume wave-length weight wire