The New International Encyclopædia, Volumen14Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby Dodd, Mead, 1903 |
Dentro del libro
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Página 72
... plates to the light . If the two copper plates of this apparatus are con- nected by a wire , an electric current is found to flow from the dark plate toward the illumi- nated one , the intensity of the current being pro- portional to ...
... plates to the light . If the two copper plates of this apparatus are con- nected by a wire , an electric current is found to flow from the dark plate toward the illumi- nated one , the intensity of the current being pro- portional to ...
Página 73
... plate is cleaned off ; and relief en- graving , in which the ink is deposited upon the projecting parts of an engraved block or plate . In either case the paper takes the ink from the surface as in the printing of ordinary manual ...
... plate is cleaned off ; and relief en- graving , in which the ink is deposited upon the projecting parts of an engraved block or plate . In either case the paper takes the ink from the surface as in the printing of ordinary manual ...
Página 74
... plate affected by light is turned into a relief copy of the original . The plate is then etched by an acid , perchloride of iron , which eats it away exactly as in the case of ordinary etch- ing ( see ETCHING ) . When it is a line plate ...
... plate affected by light is turned into a relief copy of the original . The plate is then etched by an acid , perchloride of iron , which eats it away exactly as in the case of ordinary etch- ing ( see ETCHING ) . When it is a line plate ...
Página 75
... plate is all ready for etching , which is done in the case of a copper plate with perchloride of iron , or with zinc nitric acid . The half - tone process requires less artistic sense and ability than , for instance , photogravure , but ...
... plate is all ready for etching , which is done in the case of a copper plate with perchloride of iron , or with zinc nitric acid . The half - tone process requires less artistic sense and ability than , for instance , photogravure , but ...
Página 76
... plate . Thus in Fig . 1 HH ' FIG . 1 . is the image of the horizontal wire , VV ' the image of the vertical wire , and P the image of a church spire . The lines a and b can be measured in the photograph , and the focal distance f being ...
... plate . Thus in Fig . 1 HH ' FIG . 1 . is the image of the horizontal wire , VV ' the image of the vertical wire , and P the image of a church spire . The lines a and b can be measured in the photograph , and the focal distance f being ...
Otras ediciones - Ver todas
The New International Encyclopædia, Volumen14 Frank Moore Colby,Talcott Williams Vista completa - 1918 |
The New International Encyclopædia, Volumen14 Frank Moore Colby,Talcott Williams Vista completa - 1917 |
The New International Encyclopædia, Volumen14 Frank Moore Colby,Talcott Williams Vista completa - 1922 |
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Pasajes populares
Página 191 - There are in the town four attorneys, two doctors, and not a priest of any persuasion, nor church, nor chapel ; so that they are likely to be damned, without the benefit of clergy.
Página 399 - Portugal is bounded on the north and east by Spain and on the south and west by the Atlantic Ocean. It...
Página 290 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Página 220 - Yet truth, in everything but mathematics, is not a single but a double question ; not what can be said for an opinion, but whether more can be said for it than against it. There is no knowledge, and no assurance of right belief, but with him who can both confute the opposite opinion, and successfully defend his own against confutation.
Página 29 - The United States will occupy and hold the city, bay and harbor of Manila, pending the conclusion of a treaty of peace which shall determine the control, disposition and government of the Philippines.
Página 294 - The power we allude to is rather the police power, the power vested in the legislature by the constitution, to make, ordain and establish all manner of wholesome and reasonable laws, statutes and ordinances, either with penalities or without, not repugnant to the constitution, as they shall judge to be for the good and welfare of the commonwealth, and of the subjects of the same.
Página 303 - The natural price of labour, therefore, depends on the price of the food necessaries, and conveniences required for the support of the labourer and his family.
Página 307 - That every man desires to obtain additional Wealth with as little sacrifice as possible. 2. That the Population of the world, or, in other words, the number of persons inhabiting it, is limited only by moral or physical evil, or by fear of a deficiency of those articles of wealth which the habits of the individuals of each class of its inhabitants lead them to require.
Página 383 - Fitz John Porter and to restore him to the positions of which that sentence deprived him, such restoration to take effect from the date of his dismissal from the service.
Página 262 - As to lakes, it is not clearly ascertained how the fishery is to he divided between the owners of the lands abutting thereon ; but much will depend on the title to the lands and the subsequent user. As a general rule, there is no such thing as a right in the public to fish anywhere except in a tidal river or the sea, and that is subject to the exception of an individual claiming a several fishery, as before mentioned. It is often supposed that...