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Journal - Franklin Institute of the State of Pennsylvania Volume 136

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Journal of the Franklin Institute, Volume 24

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Journal of the Franklin Institute, Volume 177, Issue 6

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Journal - Franklin Institute of the State of Pennsylvania Volume 127

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute...

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Journal of the Franklin Institute, Volume 42

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Journal of the Franklin Institute, Volumes 161-162

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute, Volume 180

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Journal of the Franklin Institute, Volume 194

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Journal of the Franklin Institute...

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Journal of the Franklin Institute, Volume 165

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Journal of the Franklin Institute, Volume 173

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Journal - Franklin Institute of the State of Pennsylvania Volume 99

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 188

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 167, Issue 68

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 77

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Journal - Franklin Institute of the State of Pennsylvania Volume 138

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute, Volume 114

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 155, Issue 56...

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Journal of the Franklin Institute, Volume 60

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Journal of the Franklin Institute, Volume 166

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 68

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Journal of the Franklin Institute, Volume 50

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Journal of the Franklin Institute, Volume 178, Issue 2

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Journal of the Franklin Institute, Volume 147

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Journal, Volume 184

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Journal - Franklin Institute of the State of Pennsylvania Volume 139

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Journal of the Franklin Institute, Volume 146

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Journal of the Franklin Institute, Volume 128

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Journal - Franklin Institute of the State of Pennsylvania Volume 135

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 67

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Journal of the Franklin Institute, Volume 177, Issue 3

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute, Volume 192

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 153, Issue 54

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Journal of the Franklin Institute, Volumes 159-160

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Journal of the Franklin Institute, Volume 111

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 184...

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Journal of the Franklin Institute, Volumes 121-200

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Journal of the Franklin Institute, Volume 172

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Journal of the Franklin Institute, Volume 159

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Journal - Franklin Institute of the State of Pennsylvania Volume 128

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 94

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Journal of the Franklin Institute, Volume 17

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Journal of the Franklin Institute, Volume 86

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Journal of the Franklin Institute, Volume 177

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 88

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Journal of the Franklin Institute, Volumes 103-104

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Journal of the Franklin Institute, Volume 162

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Journal of the Franklin Institute, Volume 184

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute, Volume 131

Franklin Institute (Philadelphia PA-USA)

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Official Bulletin of the Novelties Exhibition

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Journal of the Franklin Institute, Volume 65

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Journal of the Franklin Institute, Volume 154

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 63

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The Franklin Journal, and American Mechanics' Magazine, Volume 5

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Journal of the Franklin Institute, Volume 161

Franklin Institute (Philadelphia PA-USA)

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Journal of the Franklin Institute, Volume 178

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Journal of the Franklin Institute of the State of Pennsylvania, Volume 183

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Journal of the Franklin Institute, Volume 156

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Journal of the Franklin Institute, Volumes 155-156

Franklin Institute (Philadelphia PA-USA)

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