Sound: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound : for the Use of Students of Every AgeAppleton, 1878 - 181 páginas |
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Página 23
... metres ) in diameter . A plano - convex lens may be used in its place . On each side of the shelf are two upright wooden arms , and on screws , which go through them , is swung a looking - glass , 7 inches ( 17.8 centimetres ) long and ...
... metres ) in diameter . A plano - convex lens may be used in its place . On each side of the shelf are two upright wooden arms , and on screws , which go through them , is swung a looking - glass , 7 inches ( 17.8 centimetres ) long and ...
Página 35
... metre and 45 millimetres ) . The cross - beam C is 18 inches ( 45.7 centimetres ) long . At D is a wooden post standing ... metres ) wide at top and 24 inches ( 57 millimetres ) deep , and drawn to a fine point . Carefully file off the ...
... metre and 45 millimetres ) . The cross - beam C is 18 inches ( 45.7 centimetres ) long . At D is a wooden post standing ... metres ) wide at top and 24 inches ( 57 millimetres ) deep , and drawn to a fine point . Carefully file off the ...
Página 41
... metres ) long , 1 inch ( 25 millimetres ) wide , and inch ( 6 ) millimetres ) thick , made of clear , well - seasoned pine . This is fastened by means of small screws to the wooden box B standing on a table . This box may be of any ...
... metres ) long , 1 inch ( 25 millimetres ) wide , and inch ( 6 ) millimetres ) thick , made of clear , well - seasoned pine . This is fastened by means of small screws to the wooden box B standing on a table . This box may be of any ...
Página 46
... divide this length into 100 parts . To assist you in this , you may remember that 1 inch is equal to 25 milli- metres . Ten millimetres make a centimetre , and 100 centi- metres make a metre . Now slide the ring r , Fig . 12 ,. 46 SOUND .
... divide this length into 100 parts . To assist you in this , you may remember that 1 inch is equal to 25 milli- metres . Ten millimetres make a centimetre , and 100 centi- metres make a metre . Now slide the ring r , Fig . 12 ,. 46 SOUND .
Página 53
... metres ) . The length of the horizontal rod D can be changed at will , for it is clamped to the side of the box B by screws , which go through the ends of the two pieces of wood F and G. Two nails are driven into the box under this rod ...
... metres ) . The length of the horizontal rod D can be changed at will , for it is clamped to the side of the box B by screws , which go through the ends of the two pieces of wood F and G. Two nails are driven into the box under this rod ...
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Términos y frases comunes
A-fork ball beats block blow bottle brate cardboard cause centi centimetres centre CHAPTER circle CO-VIBRATION compound sound cone cork curve diameter disk divide dots double pendulum draw drum-skin edge EXPERIMENT fastened feet figure flame funnel gamut give glass tube harmonic harmonic series heliostat holes horizontal inches length loudest ment metres millimetres mirror monic motion mouth move musical musical scale nodal line number of vibrations octave paper periments piece pipe piston pitch plate prongs pull rarefactions reflected relative numbers resonant tube resound rest rotator rubber tube sand screen screw sensation shown in Fig side silica simple sounds sings siren slide slit sonometer sonorous vibrations sonorous waves sound of 66 square string swing tions trace trumpet tumbler tune tuning-fork turn upright velocity of sound vibrate the fork vibrating body vibrating fork vibrations per second whistle wire wooden
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Página 183 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Página 181 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the use of Students of every age.