Search Results
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Bessemer's Process
- 1870 – 1900
Black and white illustration depicting a chamber with bursts of heat emitting from either side. The scene represents an environment in which the Bessemer process may be conducted. The Bessemer process, developed by Sir…
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Will-O'-The-Wisp (Phosphuretted Hydrogen and Marsh Gas)
- 1870 – 1900
Black and white illustration depicting an evening marsh scene. The illustration demonstrates the natural occurrence of phosphoric compounds which become luminous in the presence of atmospheric gases. The illustration…
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Edison's Electric Pen
- 1870 – 1900
Black and white illustration depicting the electric pen, an invention of Thomas Edison (1847-1931). Powered by an electric motor, the pen was created as a means to duplicate documents. It operates by using a perforating…
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Casting Plate-glass
- 1870 – 1900
Illustration depicting the manufacture of plate glass, a form of glass traditionally made by casting and rolling and characterized by its excellent surface produced by grinding and polishing.
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Sulphur [Sulfur] Furnace
- 1870 – 1900
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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…