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Level, numbered S04487, Hydrographic Office number 48
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Level by Cooke, Troughton & Simms Ltd. of York. Numbered S04487, Hydrographic Office number 48. Boxed, in canvas carrying case
Level by Cooke, Troughton & Simms Ltd. of York. Numbered S04487, Hydrographic Office number 48. Boxed, in canvas carrying case