Magnets Black & White Stock Photos
RF2BTH448–Electromagnets are the magnets constructed, so as to be temporarily magnetized, vintage line drawing or engraving illustration.
RF2BTGKPJ–The dynamo machine generates electric currents by converting motive power into electricity through the agency of conductors and magnets, vintage line
RF2BTGDN7–Astatic Multiplier consists of a flat coil, rectangular in shape, with a narrow central opening through which one of the magnets of the astatic system
RFKDBYHK–Monochrome patch badges of different Merry Christmas attributes. Set of Happy New Year stickers, pins, magnets in cartoon comic style. Santa Claus cos
RFKH1MF8–Monochrome patch badges of different Merry Christmas attributes. Set of Happy New Year stickers, pins, magnets in cartoon comic style. Santa Claus Mit
![The front cover of "The Sphere" magazine, 16 April 1927, featuring the latest innovation in eye-care. Factory workers suffering from metal filings flicked in to their eye can now have them removed by means of the new "Ring Magnet". The procedure seen here is being carried out by Sir Richard Cruise, Oculist to the King, at Westminster Hall. 1927 Stock Photo](https://c8.alamy.com/comp/2M3RK37/the-front-cover-of-quotthe-spherequot-magazine-16-april-1927-featuring-the-latest-innovation-in-eye-care-factory-workers-suffering-from-metal-filings-flicked-in-to-their-eye-can-now-have-them-removed-by-means-of-the-new-quotring-magnetquot-the-procedure-seen-here-is-being-carried-out-by-sir-richard-cruise-oculist-to-the-king-at-westminster-hall-1927-2M3RK37.jpg "The front cover of "The Sphere" magazine, 16 April 1927, featuring the latest innovation in eye-care. Factory workers suffering from metal filings flicked in to their eye can now have them removed by means of the new "Ring Magnet". The procedure seen here is being carried out by Sir Richard Cruise, Oculist to the King, at Westminster Hall. 1927 Stock Photo")
RM2M3RK37–The front cover of "The Sphere" magazine, 16 April 1927, featuring the latest innovation in eye-care. Factory workers suffering from metal filings flicked in to their eye can now have them removed by means of the new "Ring Magnet". The procedure seen here is being carried out by Sir Richard Cruise, Oculist to the King, at Westminster Hall. 1927
RF2BTGKPH–A magnet is a material or object that produces a magnetic field, vintage line drawing or engraving illustration.
RF2WCAB0T–Blank black and white round, square, heart fridge magnet mockup, 3d rendering. Empty magnetized attached souvenir mock up, isolated, side view. Clear
RF2BTGG2E–A bar magnetic is suspended to indicate the magnetic field, vintage line drawing or engraving illustration.
RF2BTGNEE–A magnet which owes its magnetic properties to the inductive action of an electric current, vintage line drawing or engraving illustration.
RF2RCX9AM–Bar magnet. polar magnet diagram. scientific vector illustration isolated on white background.
RF2RCY5D9–Power, magnetic field. lines around a bar magnet. polar magnet diagram or schemes. Electromagnetic field and magnetic force. Positive, negative or nor
RF2NGYA1P–Samarium, Sm, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lighting, and as a component in certain types of glass.
RMWDTNA7–Group of young women studying electro-magnets in normal school, Washington, D.C. Abstract/medium: 1 photoprint : cyanotype.
RFKH1MF3–Monochrome patch badges of different Merry Christmas attributes. Set of Happy New Year stickers, pins, magnets in cartoon comic style. Santa Claus Mit
RF2WD2P0C–Penguin. Outline drawing. Graphics for web design. Black and white logo. Close-up. Marine theme. It can be used for fridge magnets, magazines, stamps, stickers, liners.
RM2K06PHF–Group of young women studying electro-magnets in normal school, Washington, D.C., (1899?).
RM2AG461E–. Electric transmission of power : its present position and advantages. achinethat when the latter is running, a current of electricityconstantly circulates in the wire, whether the externalcircuit be closed or not. The high resistance of this wireprevents the passage through it of more than a smallproportion of the whole current capable of being evolvedby the machine; therefore the available external currentis not materially lessened. When this device, called a teaser, is used in connection with field magnets, alsowound with coarse wire (Fig. 11), for the purpose of stillfarther increasing th
RMG5XCCK–energy, electricity, electromagnetic machine, invented by Emil Stöhrer (1813 - 1890), wood engraving, late 19th century, 19th century, machine, machines, invention, inventions, electric power, generation of current, power generation, electricity generation, generators, electrical generator, electric power generator, dynamo, dynamos, magnet, magnets, historic, historical, Additional-Rights-Clearences-Not Available
RF2NGY9W0–Neodymium, Nd, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lasers, and as a component in certain types of glass.
RF2RCX9G8–Attract and repel positive and negative charge. Like charges repel and opposite charges attract. Electric charge coulomb's law.
RM2D859HP–A 19th Century illustration of the Edison-Hopkinson dynamo. As earlier types of Edison dynamo became obsolete improved designs came along and one Dr John Hopkinson improved performance by altering the field-magnets and modifying the armature of the machine, getting more iron into it, thus diminishing the magnetic reluctance in this part of the magnetic circuit.
RM2AG4685–. Electric transmission of power : its present position and advantages. TiniHift ^(nTrpiT- iIIhIiI iiiUpiii, JUUIlll^l lUIIiUlll.. not too large that powerful currents are developed, owingto the strong magnetic field produced by the circulationof the currents themselves around the field magnets.By diverting from external work a portion of the c 18 ELECTRIC TKANSMISSION OF POWEK, current of the machine, and using it either alone, or inconnection with the rest of the current for working thefield magnets, a permanent field may be obtained. Mr. Brush winds the cores of the field magnets with aquan
RMDB734Y–energy, electricity, Wagner's hammer, invented by Johann Philipp Wagner (1799 - 1879), wood engraving, late 19th century, 19th century, machine, machines, invention, inventions, electric power, magnetism, magnet, magnets, electromagnet, electromagnets, breaker, contact breaker, interrupter, interrupters, electromechanics, Rheotom, bell, bells, electrical bell, historic, historical, Additional-Rights-Clearences-Not Available
RF2NH2X9N–Samarium, Sm, gray 3D isometric illustration of periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lighting, and as a component in certain types of glass.
RM2ABX1AJ–EXPULSION OF UNBURNED GUNPOWDER FROM CANNONS. Paste for Labeling. Magnets., scientific american, 1886-12-04
RF2F6N7RF–Sleep therapy icon. Outline Sleep therapy vector icon for web design isolated on white background
RM2ABXRM1–USING THE TELEGRAPHONE AS A PHONOGRAPH. A DESK TELEORAPHONE. DETAIL OF THE CARRIAGE AND MAGNETS., scientific american, 1903-04-25
RM2D859G1–A 19th Century illustration of the Manchester Dynamo, an electrical generator that creates direct current using a commutator, the first electrical generators capable of delivering power for industry. Manchester based Henry Wilde (1833-1919) invented the dynamo-electric machine, or self-energising dynamo that replaced the permanent magnets of previous designs with electro-magnets and in so doing achieved an enormous increase in power. Werner von Siemens is more usually credited with the invention, but in fact, discovered independently.
RM2AFPYPN–. The principles of physics. Fig. 404. MAGNETIC LIKES OF FOEOE. 523 Section XIV. MAGNETIC LINES OF FORCE. THE MAGNETIC CIRCUIT. 491. Magnetic lines of force. — These lines are easilystudied by the use of iron filings. The field of force arounda magnet is shown Hi by placing a paperover it, dustingfilings upon thepaper, and tappingit. The filingstake symmetricalpositions, formcurves between thepoles of the mag-net or magnets,and show that thelines of force con-nect the oppositepoles of the m,ag-net. The fact is, that each filing, when brought within theinfluence of the magnetic field, becomes a
RF2NH2X5Y–Neodymium, Nd, gray 3D isometric illustration of periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lasers, and as a component in certain types of glass.
RM2ABX95J–Scientific Research in Medicine. Removing Ornamental Trees. Physiological Experiments with Great Magnets., scientific american, 1892-11-05
RM2ABWCT6–Japanese Paper Clothing. Beginners. The Electrolytic Preparation of Magnets. Astronomieal Discoveries In 1874. New Postal Car., scientific american, 1875-01-23
RM2D1PDFA–A 19th Century collage of Various dynamos used for converting mechanical motion into electricity, generating direct current using a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter.
RM2AJ5TB1–Coal; its history and uses . ly magnetised and demag-netised makes it a useful instrument for imparting motionto other masses of iron. A well-known form of electric engine is represented inFig. 56. It consists of a wheel, to the circumference ofwhich eight bars of soft iron are attached, at equal dis-tances. Four electro-magnets are placed close to thewheel, and matters are so arranged that the currentcirculates in the wire wrapped round each only whenone of the bars of iron is approaching and near to it, andis interrupted as the iron passes it. The bars of iron 282 COAL. CHAP VIII. are thus a
RF2NGY90G–Cobalt, Co, periodic table element with name, symbol, atomic number and weight. Transition metal with various industrial uses, such as in magnets, batteries, and as a catalyst in chemical reactions.
RF2K56595–Magnet icons set. Isometric set of magnet vector icons outline isolated on white background
RM2ABX0A2–IMPROVEMENTS IN ELEOTRO MAGNETS. Improved Reservoir Construction. Silvered Glass Balls for Signaling. IMPROVED ELECTRO MAGNETS., scientific american, 1886-02-13
RM2AG47C7–. Electric transmission of power : its present position and advantages. quantity, by winding the ring vdth fine or coarse wire.With equal velocities of the ring the electric tension willbe proportional to the number of convolutions of the wire. THE GRAMME MACHINE. 9 FigB. 6 and 7 represent a Gramme macliine; it consistsof two flanks of cast iron, arranged vertically, and con-nected by four iron bars, serving as cores to electro-magnets. The axle is of steel; its bearings are relativelyvery long. The central ring has two wires wound parallel Fig. 7.. on the soft iron, and connected to two colle
RF2NGY931–Dysprosium, Dy, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lighting, and as a neutron absorber in nuclear reactors.
RM2ABWMY7–Experiments on the Resistance of Materials. ENGINEERING INVENTIONS. Improved Steam Canal Boat. SYDNEY INTERNATIONAL EXHIBITION. 4 Corn Magnets., scientific american, 1880-07-03
RM2AX6MP7–Fields of force; supplementary lectures, applications to meteorology; . n the two extreme posi- INVESTIGATION OF DYNAMICAL TROPERTIES. 43 tions of oscillation are in the same relation to the geometry of thefield as the forces acting on the poles of the induced magnets; theyare directed along the lines of force of the field, and vary in inten-sity from place to place according to the same law in the two kindsof fields, except that the direction of the force is always opposite inthe two cases. Fig. 17, a shows these forces in the two extremepositions of a light body, which oscillates with greate
RF2NGY6J7–Holmium, Ho, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in lasers, magnets, and as a neutron absorber in nuclear reactors.
RM2ABWXXN–ARCHITECTURE OF THE AMERICAN WHITE-FOOTED MOUSE (DEER MOUSE). Wooden Magnets to Cure Disease ARCHITECTURE OF THE AMERICAN WHITE-FOOTED MOUSE., scientific american, 1885-01-03
RM2ABXD07–Effect of Low Temperatures on Permanent Magnets. —10 Another Stride in Electrical Invention. [PROM WILSON'S PHOTOGRAPHIC MAGAZINE.) Photographic Notes., scientific american, 1895-07-11
RM2ABWCP2–r$3.20 per Annum Action of Magnets on Spectra. BENTEL MARGEDANT & CO.'S PLANING AND MATCHING MACHINE. The Stevens Battery., scientific american, 1875-01-02
RM2AFPX5D–. The principles of physics. r the hand istwisted in propelling itcorresponds to the direc-tion of the lines of force. If a circle of wire bear-ing a very strong currentbe freely suspended and apole of a very strong bar magnet be presented to one of its 1 Every conducting wire is surrounded by a sort of magnetic whirl. A great partof the energy of the so-called electric current in the wire consists in these externalmagnetic whirls. To set them up requires an expenditure of energy ; and to main-tain them requires a constant expenditure of energy. It is these magnetic whirlswhich act on magnets,
RF2NGY9A9–Praseodymium, Pr, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in magnets, lasers, and as a component in certain types of glass.
RM2ABWCCW–CORTLANDT MAGNETS—Permanent Steel Magnets ments. miAcHINERv ennrctiglar:intd.yttb-i CO. 60Vesey It. New York. WM. D. RUSSELL, scientific american, 1874-10-10
RM2AFPN5A–. The principles of physics. Fig. 455. difference is a maximum and from the coils that are in thefield of least action, 631. Classes of dynamufsh —Dynamos may be divided intodifferent classes according to the method by which theirfield magnets are excited. Fig. 456 illustrates a magneto-electric machine, where the field magnet is a permanent steelmagnet. This form of machine is seldom used, since a per-manent steel magnet cannot be made as powerful as anelectro-magnet having a soft iron core of equal mass. Fig. 461 illustrates a separately excited dynamo, where thefield magnet ooils receive th
RF2RBG3BJ–Holmium, Ho, periodic table element with name, symbol, atomic number and weight. Rare earth metal with various industrial uses, such as in lasers, magnets, and as a neutron absorber in nuclear reactors.
RM2ABTPY5–BY PROF. S. A. MITCHELL COLUMBIA UNIVERSITY. degree or even more accurate than that to the ten Instrument consisting of 48 magnets arranged in eight § 1, scientific american, -1909-02-06
RM2CENN4M–. A text-book of electrical engineering;. e number of pairs of poles, which is desirable forthe sake of symmetry and sparkless commutation, there can be no difficultyin determining which segments should be interconnected. It is by no meansnecessary that all the segments should be so connected, since a smallfraction of the total number of possible connections is generally found tosuffice. CHAPTER VII 51. The excitation of dynamos.—52. The field magnets.—53. Position of the brushes.—54. Armature reaction.—55. Sparkless commutation.—56. Three-wire dynamos. 51. The Excitation of Dynamos. The earli
Search Results for Magnets Black & White Stock Photos and Images (172)
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