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The Ben Franklin Book of Easy and Incredible Experiments: A Franklin Institute Science Museum Book

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Halley's Comet Almanac, 1986

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Journal - Franklin Institute of the State of Pennsylvania Volume 97

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Journal Of The Franklin Institute, Volume 137...

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Journal Of The Franklin Institute, Volume 125...

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Journal of the Franklin Institute

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The Air Brake As Related To Progress In Locomotion: Being A Paper Presented Before The Franklin Institute. Philadelphia, Penna., November 17th, 1910...

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Journal Of The Franklin Institute, Volume 184...

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The Journal of the Franklin Institute, Vol. 78 of 108: Devoted to Science and the Mechanic Arts (Classic Reprint)

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Journal Of The Franklin Institute, Volume 129

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Journal Of The Franklin Institute Of The State Of Pennsylvania, Volume 90

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Journal Of The Franklin Institute, Volume 134...

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Journal Of The Franklin Institute, Volume 140...

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Journal Of The Franklin Institute, Volume 151...

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Journal Of The Franklin Institute, Volume 139...

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Journal of the Franklin Institute, Volume 171

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Journal Of The Franklin Institute, Volume 142...

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Journal Of The Franklin Institute, Volume 159...

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Journal - Franklin Institute of the State of Pennsylvania Volume 135

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Journal Of The Franklin Institute, Volume 131

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Journal of the Franklin Institute, Volume 177...

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Journal of the Franklin Institute, Volume 165

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 185

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Journal - Franklin Institute of the State of Pennsylvania Volume 95

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Journal of the Franklin Institute, Volume 179...

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Journal of the Franklin Institute, Volume 174...

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Journal Of The Franklin Institute Of The State Of Pennsylvania, Volume 87...

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Journal Of The Franklin Institute, Volume 126

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Journal Of The Franklin Institute, Volume 188...

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Journal - Franklin Institute of the State of Pennsylvania Volume 92

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