photographs
PH1988:0423.07:002
engineering
1916
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1916
engineering
photographs
PH1988:0423.07:006
engineering
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engineering
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PH1988:0423.07:013
engineering
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engineering
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PH1988:0423.07:014
engineering
1916
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engineering
photographs
PH1988:0423.07:021
engineering
1916
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1916
engineering
photographs
PH1988:0423.07:022
engineering
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engineering
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PH1988:0423.07:023
engineering
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engineering
photographs
PH1988:0423.07:030
engineering
1916
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engineering
photographs
PH1988:0423.07:033
engineering
1916
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engineering
photographs
PH1988:0423.07:041
engineering
1916
photographs
1916
engineering