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Intended For The Instruction And Entertainment Of Young People »

Scientific Dialogues, Intended For The Instruction And Entertainment Of Young People (Volume 7); In Which The First Principles Of Natural And
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Scientific Dialogues for ... Young People. Revised by J.W. G
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A System Of Practical Arithmetic, Applic
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A System Of Practical Arithmetick; For T
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Scientific Dialogues
Intended For The Instruction And Entertainment Of Young People, In Which The First Principles Of Natural And Experimental Philosophy Are Fully Explained »

Scientific Dialogues; Of Optics, Magnetism, Electricity, & Galvanism Volume 3
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Scientific Dialogues, for Young People (Volume 6); In Which
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Scientific Dialogues
Intended For The Instruction And Entertainment Of Young People: In Which The First Principles Of Natural And Experimental Philosophy Are Fully Explained, Vol... »

Scientific Dialogues, (Volume 4); Of Pneumatics
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