Search Results
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Experiment of Magic Fish Set in Motion by Electricity
- 1870 – 1900
Illustration depicting an apparatus used to animate tin fish through the use of an electro-magnet.
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Double-Needle Alphabet
- 1870 – 1900
Table detailing the alphabet used to communicate using a double-needle telegraph system. One of the two main types of electromagnetic telegraphs, needle telegraphs use indicating needles moved electromagnetically as a…
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Passage of current between London and York
- 1870 – 1900
Diagram depicting the passage of current between the cities of London and York in a needle telegraph system. One of the two main types of electromagnetic telegraphs, needle telegraphs use indicating needles moved…
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Passage of current in needle telegraph system
- 1870 – 1900
Diagram depicting the passage of current in a needle telegraph system. One of the two main types of electromagnetic telegraphs, needle telegraphs use indicating needles moved electromagnetically as a means of displaying…
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Phosphorescent Flower Emitting Light in a Dark Room
- 1870 – 1900
Illustration depicting a flower temporarily illuminated through the use of phosphorescent powder.
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Artificial Flower Coated with Phosphorescent Powder, Exposed to the Light of Magnesium Wire
- 1870 – 1900
Illustration depicting an experiment in which an artificial flower coated with phosphorescent powder temporarily becomes luminous and shines in the dark when exposed to magnesium wire.
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Experiment of Instantaneous Crystallization
- 1870 – 1900
Illustration depicting an experiment in the instantaneous formation of salt crystals.
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Seltzer-water Manufactory
- 1870 – 1900
Illustration depicting the manufacture of seltzer or soda water by use of a wheel to force gas into bottled water.
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Snow Crystals
- 1870 – 1900
Illustration depicting a magnified view of an assortment of snowflakes, also known as snow crystals.
- Author Ward, Lock & Co.
- Subject Scientific illustration, Science--Study and teaching, Snowflakes, Ice crystals
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Dial Telegraph Manipulator
- 1870 – 1900
Illustration depicting the manipulator component of a dial telegraph. Devised by French watchmaker Louis-François Breguet, the dial telegraph used electric current to rotate the needle around the dial of a receiver,…
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Dial Telegraph Receiver
- 1870 – 1900
Illustration depicting the receiver component of a dial telegraph. Devised by French watchmaker Louis-François Breguet, the dial telegraph had both the appearance and working mechanism of a clock. When activated by an…
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Morse Alphabet and Numbers
- 1870 – 1900
Text and table detailing the Morse code alphabet and numerals used to communicate via telegraph.
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Handles and Needles of Telegraph
- 1870 – 1900
Illustration depicting the handles and needles used to operate a needle telegraph. One of the two main types of electromagnetic telegraphs, needle telegraphs use indicating needles moved electromagnetically as a means…
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Telegraph Wires and Insulator
- 1870 – 1900
Two illustrations depicting a general view of telegraph wires and a close-up view of the glass or porcelain insulator used to insulate the electrical wires.
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The Needle Telegraph
- 1870 – 1900
Illustration depicting a man using a needle telegraph. One of the two main types of electromagnetic telegraphs, needle telegraphs use indicating needles moved electromagnetically as a means of displaying messages.
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Medico-galvanic Battery
- 1870 – 1900
Diagram depicting a medico-galvanic battery, a type of portable shock-producing electrotherapeutic device commonly in use between 1870 and 1920. Such devices provided both direct and alternating current and were thought…
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Galvanometer
- 1870 – 1900
Illustration of a galvanometer, a device used to detect and measure small amounts of electrical current through the use of a magnetic needle or a coil in a magnetic field.
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Voltaic Pile
- 1870 – 1900
Illustration depicting a voltaic pile, the first electric battery invented by Alessandro Volta in 1800.
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386 items
Wonders of electricity and the elements, being a popular account of modern electrical and magnetic discoveries, magnetism and electric machines, the electric telegraph and the electric light, and the metal bases, salt, and acids
- 1870 – 1900
Educational volume covering a variety of topics related to electricity and the chemical elements in two parts. The first half of the volume is devoted to electrical and magnetic discoveries and modern electric machines,…
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Portrait of Edward Livingston Youmans
- 1851 (Date of photograph)
- 1894 (Date of publication)
Half-length portrait photograph of American scientific writer, editor and lecturer Edward Livingston Youmans (1821-1887) who founded Popular Science magazine. Youman experienced partial blindness at age 17, which lasted…
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Portrait of Edward Livingston Youmans
- 1894
Half-length portrait frontispiece engraving of American scientific writer, editor and lecturer Edward Livingston Youmans (1821-1887) who founded Popular Science magazine. Youman experienced partial blindness at age 17,…