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" I whisk a bit ot vulcanized india-rubber with a fox's brush. Holding the sealing-wax as a handle, I lay the penny, or half-crown, flat on the indiarubber. What is the condition of the coin ? I touch the coin, what occurs ? I lift it by the handle, what... "
Magnetism and electricity - Page 171
by Richard Wormell - 1882 - 260 pages
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Elements of magnetism and electricity

John Angell (science teacher.) - 1877 - 254 pages
...gutta-percha? 44. I stick a bit of sealing-wax against a penny or a halfcrown; and I whisk a bit of vulcanized india-rubber with a fox's brush. Holding...occurs? I lift it by the handle, what is its condition? 45. You are required to explain, in accordance with the theory of electric fluids, how light bodies...
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Magnetism & electricity for schools and science classes

George Porter (headmaster, Coleraine model sch.) - 1878 - 64 pages
...(38.) 64. I stick a bit of sealing-wax against a penny or a halfcrown ; and I whisk a bit of vulcanised india-rubber with a fox's brush. Holding the sealing-wax...occurs? I lift it by the handle, what is its condition? (38.) 65.* Describe the condenser, and illustrate its use. (39.) 66. Describe Franklin's plate, and...
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Lecture Notes on Physics

Charles Bird (B.A., F.R.A.S.) - 1880 - 206 pages
...gutta-percha ? 542. I stick a bit of sealing-wax against a penny or a half-crown ; and I whisk a bit of vulcanized india-rubber with a fox's brush. Holding...occurs ? I lift it by the handle, what is its condition ? 543. You are required to explain, in accordance with the theory of electric fluids, how light bodies...
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Elementary experiments [&c.].

James Overend (M.A.) - 1885 - 98 pages
...of charging it. 2. I stick a bit of sealing-wax against a penny or half-crown, and I whisk a bit of vulcanized indiarubber with a fox's brush. Holding...occurs ? I lift it by the handle, what is its condition ? 3. What occurs when you whisk the resinous plate of an electrophoros with a fox's brush ? The plates...
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Frictional Electricity

Thomas P. Treglohan - 1886 - 150 pages
...4. 4. I stick a bit of sealing-wax against a penny or a halfcrown ; and I whisk a bit of vulcanised indiarubber with a fox's brush. Holding the sealing-wax...? I lift it by the handle, what is its condition? Pp. 42-44. 5. You are required to explain, in accordance with the theory of electric fluids, how light...
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Magnetism and Electricity

Arthur William Poyser - 1889 - 264 pages
...? 10. I fasten a stick of sealing-wax to a penny or a halfcrown, and I whisk a piece of vulcanised india-rubber with a fox's brush. Holding the sealing-wax...the condition of the coin ? I touch the coin : what happens? I lift it by the handle : what is its condition? 11. Explain Exp. 120. 12. Explain, by means...
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Magnetism and Electricity: Stage I,

Arthur William Poyser - 1903 - 398 pages
...Why? 10. I fasten a stick of sealing-wax to a penny or a halfcrown, and I whisk a piece of vulcanised india-rubber with a fox's brush. Holding the sealing-wax...the condition of the coin ? I touch the coin : what happens? I lift it by the handle : what is its condition? 11. Explain Exp. I2O. 12. Show, by means...
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