Oscillographs: A Concise Treatise on the Theory, Construction, and Use of Electro-magnetic, Hot-wire, Electrostatic and Cathode Ray Oscillographs |
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Page 60
... diaphragm made of very fine gauze , about ( 90 ) 2 meshes per sq . cm . , was placed between two inductor plates and the general arrangement of the instrument is shown in Fig . 34 , which is a horizontal section through the instrument ...
... diaphragm made of very fine gauze , about ( 90 ) 2 meshes per sq . cm . , was placed between two inductor plates and the general arrangement of the instrument is shown in Fig . 34 , which is a horizontal section through the instrument ...
Page 61
... diaphragm comes up against the annular ring C C , which is part of the block B2 , it is stopped and any further movement of B1 simply stretches the dia- phragm and alters its natural frequency . The move- ment of B1 relative to B , is ...
... diaphragm comes up against the annular ring C C , which is part of the block B2 , it is stopped and any further movement of B1 simply stretches the dia- phragm and alters its natural frequency . The move- ment of B1 relative to B , is ...
Page 62
... diaphragm . The voltage between the upper plate and the dia- phragm is PV if the instantaneous voltage given + P -P ( V ) D FIG . 35. - CONNECTION ... diaphragm are comparatively simple as long as the diaphragm is assumed 62 Oscillographs.
... diaphragm . The voltage between the upper plate and the dia- phragm is PV if the instantaneous voltage given + P -P ( V ) D FIG . 35. - CONNECTION ... diaphragm are comparatively simple as long as the diaphragm is assumed 62 Oscillographs.
Page 63
... diaphragm is assumed to be moving everywhere with simple har- monic motion and as long as every part of the diaphragm moves in the same phase , an assumption probably true for a light tightly stretched diaphragm . If the required ...
... diaphragm is assumed to be moving everywhere with simple har- monic motion and as long as every part of the diaphragm moves in the same phase , an assumption probably true for a light tightly stretched diaphragm . If the required ...
Page 64
... diaphragm , instead of a thin sheet metal diaphragm , is that if the oil were not permitted to move through the diaphragm it would be impossible to get rapid movements owing to the mass of oil that would have to be put in motion . The ...
... diaphragm , instead of a thin sheet metal diaphragm , is that if the oil were not permitted to move through the diaphragm it would be impossible to get rapid movements owing to the mass of oil that would have to be put in motion . The ...
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Common terms and phrases
ALTERNATING CURRENT amplitude angle anode arranged axis B.Sc beam bifilar oscillograph capacity cathode ray oscillograph cent charge coil condenser constant control force critical damping current flowing curve D.Sc damping force dead beat deflecting plates diagram diaphragm DIRECT CURRENT Duddell oscillograph Dufour ELECTRIC electro-magnetic electrons electrostatic oscillograph electrostatic units ENGINEERING equal farads fibre force due frictional force graph harmonic high frequency hot cathode hot-wire oscillograph increase induction INDUSTRY inertia force instru ions IRWIN J. A. Hunter lens M.I.Mech magnetic field magnification maximum megohms ment mirror molecules MOTOR movement obtained oscillo overshoot phase displacement PITMAN'S TECHNICAL BOOKS practice pressure produce quency R₁ R₂ ratio record residual gas resistance R₁ resonant frequency resonant shunt resonant-shunt screen Second Edition series resistance shown in Fig shows spot tension tion tube unit length velocity vibration voltage wattmeter wave wire wires CD wR₂)² zero