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CONE CYLINDER PLUMB BOB FOR CONSTRUCTION. S.XX
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INCOMPLETE PLUMB BOB FOR CONSTRUCTION. S.XX
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PLUMB BOB NICKEL PLATED IRON CONSTRUCTION. LARGE THREAD SIZE.
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INSTRUMENTAL IRON PLUMB BOB. 20TH CENTURY
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BRONZE CONSTRUCTION PLUMB BOB. 20TH CENTURY.
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INSTRUMENTAL PLUMB BOB AND CONSTRUCTION. BRONZE. S.XX
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PLUMB BOB COMPLETE CONSTRUCTION. 20TH CENTURY
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COMPLETE PLUMB BOB FOR CONSTRUCTION. IRON
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PLUMMET OF INCOMPLETE CONSTRUCTION. SOLID BRONZE.
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PLUMB BOB INCOMPLETE CONSTRUCTION. BRONZE. S.XX.
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CONSTRUCTION PLUMB BOB WITHOUT NUT. 20TH CENTURY
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LARGE SIZE BRONZE PLUMB BOB. INCOMPLETE. S.XX.
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