A MCPHERSON'S PATENT BOXWOOD SLIDE RULE WITH SINGLE SLIDE AND FIXED SCALES FOR MILLIONS OF GALLONS AND GAUGE IN INCHES - 9IN. LONG; A LALANNE FRENCH SLIDE RULE WITH PRINTED CARD SLIDE IN PASSE-PARTOUT-BOUND GLASS, BY DELEUIL, PARIS, IN SLIP-CASE; A THOMLINSON'S EQUIVALENT PAPER SLIDE SCALE; AN M.T. SLIDE RULE BY STEWARD; THREE OTHER SLIDE RULES; A SLIDE RULE BOOK (CHAS. HOARE); AND A PART-SET OF NINE BRASS SOVEREIGN WEIGHTS, 2-250. (9)

细节

A MCPHERSON'S PATENT BOXWOOD SLIDE RULE WITH SINGLE SLIDE AND FIXED SCALES FOR MILLIONS OF GALLONS AND GAUGE IN INCHES - 9IN. LONG; A LALANNE FRENCH SLIDE RULE WITH PRINTED CARD SLIDE IN PASSE-PARTOUT-BOUND GLASS, BY DELEUIL, PARIS, IN SLIP-CASE; A THOMLINSON'S EQUIVALENT PAPER SLIDE SCALE; AN M.T. SLIDE RULE BY STEWARD; THREE OTHER SLIDE RULES; A SLIDE RULE BOOK (CHAS. HOARE); AND A PART-SET OF NINE BRASS SOVEREIGN WEIGHTS, 2-250. (9)