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Davidson? amber insulator190 views
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Davidson? amber insulator184 viewsIll-defined mould
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Blue piano insulator514 viewsJelly mould form A. French? Similar seen marked Reims, France
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Davidson yellow uranium piano insulator430 views1928 catalogue. Castellated form D
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Davidson yellow uranium piano insulator320 views1928 catalogue. Castellated form D
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Green piano insulator226 viewsJelly mould form A. French? Similar seen marked Reims, France
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Light blue piano insulator174 viewsCastellated form B
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Bagley blue piano insulator315 viewsCastellated form A
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Bagley green piano insulator184 viewsCastellated form A
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Percival Vickers? yellow uranium piano insulator298 viewsProbably Percival Vickers. Jelly mould form B
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Percival Vickers? yellow uranium piano insulator277 viewsProbably Percival Vickers. Jelly mould form B
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Pale aqua piano insulator185 viewsCastellated form C
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