Zobrazeno 1 - 10 of 12 pro vyhledávání: '"H. C. Griffith"'
1
Extension of the Pennsylvania railroad's electrified system
Autor: H. C. Griffith
Publikováno v: Electrical Engineering. 57:10-15
THE EXISTING single-phase electrified system of The Pennsylvania Railroad, completed in the early part of 1935, extends from New York, N. Y., through Philadelphia, Pa., to Wilmington, Del., Baltimore, Md., Washington, D. C., and Potomac Yard, Va., fo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63fba0aab05c6deb44e8ae76997c1178
https://doi.org/10.1109/ee.1938.6431086
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2
Initiation of an Electrification Into Operation
Autor: H. C. Griffith
Publikováno v: Transactions of the American Institute of Electrical Engineers. 50:259-262
This paper describes the energizing and putting into service of the Pennsylvania electrification project. The normal and desirable procedure of placing an electrification into service is cited, and the departure from it brought about by the difficult
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8e8033db4dd6c646ad8fa60fcd3d47f
https://doi.org/10.1109/t-aiee.1931.5055776
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5
The enclosing of cells in three space by simple closed surfaces
Autor: H. C. Griffith
Publikováno v: Transactions of the American Mathematical Society. 81:25-48
arc or simple closed curve in R3 with a certain property 1' (defined below) has a complement which is homeomorphic to the complement of its prototype, an evident necessary condition for being tame. In this paper an extension of the definition of prop
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a036f832a2c8daf9ed37b740c7816a64
https://doi.org/10.1090/s0002-9947-1956-0077111-4
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6
Single-phase A-C electric locomotives on the Pennsylvania railroad — Protection and tonnage rating
Autor: H. C. Griffith
Publikováno v: Electrical Engineering. 61:224-228
The single-phase electric locomotive is thought of quite generally as a piece of motive power for heavy traction service. To an electrical engineer, however, it consists fundamentally of electric motors geared to wheels with means for controlling the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ace6ee2a4e2327b24a7c4214c3da69c
https://doi.org/10.1109/ee.1942.6436263
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7
A CHARACTERIZATION OF TAME CURVES IN THREE-SPACE
Autor: E. E. Posey, H. C. Griffith, Harrold Og
points. Property ?P has been extended to 2-cells and 3-cells [6], and it was found that if a 1-cell, 2-cell, or 3-cell has two of the three properties; the uniform disk property, property ?P, and the strong enclosure property, then it also has the th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ecb77dab2c43997dcc12e908e0a3afe
https://europepmc.org/articles/PMC527982/
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8
Simplifying intersections of surfaces
Autor: O. G. Harrold, H. C. Griffith
Publikováno v: Proceedings of the National Academy of Sciences of the United States of America. 65(4)
Suppose μ and v are arcs whose union is an arc α and whose intersection is an arc β. Suppose further that μ and v , respectively, lie in the boundaries of the disks M and N . It is shown that either α lies on the boundary of a disk or μ and v ,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2620fa71e66d3bf5f7836602a9266620
https://pubmed.ncbi.nlm.nih.gov/16591827
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