photographs
PH1988:0423.07:047
engineering
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PH1988:0423.07:056
engineering
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engineering
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PH1988:0423.07:058
engineering
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PH1988:0423.07:059
engineering
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PH1988:0423.07:062
engineering
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PH1988:0423.07:066
engineering
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PH1988:0423.07:067
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PH1988:0423.07:069
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PH1988:0423.07:005
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PH1988:0423.07:019
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