The Outlook for Research and Invention, with an Appendix of Problems Awaiting SolutionsD. Van Nostrand Company, 1919 - 241 lappuses |
No grāmatas satura
1.–5. rezultāts no 19.
145. lappuse
... circuit , or in de- signing the porcelain insulators and lightning arresters for installation in such work . Only at certain laboratories or in connection with experi- mental transmission lines on a large and full sized scale , can data ...
... circuit , or in de- signing the porcelain insulators and lightning arresters for installation in such work . Only at certain laboratories or in connection with experi- mental transmission lines on a large and full sized scale , can data ...
194. lappuse
... circuit breakers , rotary converters , transformers , etc. The camera may also be readily adapted to the study of the spark gap discharges , insulator flash - overs , cable break downs , transformer coil displacements , bus- bar ...
... circuit breakers , rotary converters , transformers , etc. The camera may also be readily adapted to the study of the spark gap discharges , insulator flash - overs , cable break downs , transformer coil displacements , bus- bar ...
198. lappuse
... circuit . Should two or three fuses blow in succession , indicating a real trouble , an automatic catch should prevent the next wire from sliding into place . Editorial Suggestion . Transformer Operation at Temperature of Liquid Air ...
... circuit . Should two or three fuses blow in succession , indicating a real trouble , an automatic catch should prevent the next wire from sliding into place . Editorial Suggestion . Transformer Operation at Temperature of Liquid Air ...
200. lappuse
... circuit or an arc occurs in a power network and line switches begin to open feeders , the operator has a number of things to do quickly and in a definite succession . In order ( a ) to prevent confusion , ( b ) to restore the service in ...
... circuit or an arc occurs in a power network and line switches begin to open feeders , the operator has a number of things to do quickly and in a definite succession . In order ( a ) to prevent confusion , ( b ) to restore the service in ...
201. lappuse
... circuit and is capable of taking care not only of over - voltages but equally well of steep wave fronts and high - frequency oscillations , even if of lower than the circuit voltage . Such an arrester would give universal protection ...
... circuit and is capable of taking care not only of over - voltages but equally well of steep wave fronts and high - frequency oscillations , even if of lower than the circuit voltage . Such an arrester would give universal protection ...
Citi izdevumi - Skatīt visu
The Outlook for Research and Invention, with an Appendix of Problems ... Nevil Monroe Hopkins Priekšskatījums nav pieejams - 2019 |
Bieži izmantoti vārdi un frāzes
Academy of Sciences alternating current American application armature Bureau of Standards cent Charles Edward Munroe chemical chemistry chemists circuit breakers connection construction coöperation developed device discovery Division Editorial Suggestion efficiency electric Elihu Thomson employer energy engineering Executive Board experimental experiments factory Fellowship field frequency genius German Government heat high explosives hysteresis inductance industrial instinct Institute instrument insulators interest inventor investigation knowledge labor laboratory lamps lines machine magnetic manufacture materials mathematical means mechanical ment mercury-vapor lamps metals method National Academy National Physical Laboratory National Research Council natural Naval Naval Consulting Board Navy nitrogen operation organized oscillations Pardy physics practical President pressure prior art problems Professor quartz research worker scientific Section secure smokeless powder Society steel student surface technical Technology Teddington temperature tests tion United University voltage Washington WILLIS RODNEY WHITNEY
Populāri fragmenti
168. lappuse - ... not known or used by others in this country before his invention or discovery thereof, and not patented or described in any printed publication in this or any foreign country before his invention or discovery thereof...
68. lappuse - To gather and collate scientific and technical information at home and abroad, in cooperation with Governmental and other agencies and to render such information available to duly accredited persons.
59. lappuse - States as may be designated, and the Academy shall, whenever called upon by any department of the Government, investigate, examine, experiment, and report upon any subject of science or art, the actual expense of such investigations, examinations, experiments, and reports to be paid from appropriations which may be made for the purpose, but the Academy shall receive no compensation whatever for any services to the Government of the United States.
67. lappuse - The National Research Council was organized in 1916 at the request of the President by the National Academy of Sciences, under its congressional charter, as a measure of national preparedness. The work accomplished by the Council in organizing research and in securing cooperation of military and civilian agencies in the solution of military problems demonstrates its capacity for larger service.
168. lappuse - Office to any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter...
16. lappuse - should be a man willing to listen to every suggestion, but determined to judge for himself. He should not be biased by appearances ; have no favourite hypothesis ; be of no school ; and in doctrine have no master. He should not be a respecter of persons, but of things. Truth should be his primary object. If to these qualities be added industry, he may indeed hope to walk within the veil of the temple of nature.
153. lappuse - Persons employed, as much as employers, are entitled to their own independent inventions, but where the employer has conceived the plan of an invention and is engaged in experiments to perfect it, no suggestions from an employee, not amounting to a new method or arrangement which in itself is a complete invention, is sufficient to deprive the employer of the exclusive property in the perfected...
58. lappuse - Massachusetts; JD Whitney, California; their associates and successors duly chosen, are hereby incorporated, constituted, and declared to be a body corporate, by the name of the National Academy of Sciences.
156. lappuse - But a manufacturing corporation which has employed a skilled workman, for a stated compensation, to take charge of its works, and to devote his time and services to devising and making improvements in articles there manufactured, is not entitled to a conveyance of patents obtained for inventions made by him while so employed, in the absence of express agreement to that effect.
156. lappuse - ... where a person has discovered an improved principle in a machine, manufacture, or composition of matter, and employs other persons to assist him in carrying out that principle, and they, in the course of experiments arising from that employment, make valuable discoveries ancillary to the plan and preconceived design of the employer, such suggested improvements are generally to be regarded as the property of the party who discovered the original improved principle, and may be embodied in his patent...