05-006. 5 1/2" PATENT DOUBLE SEXTANT BY HENRY HUGHES & SON
05-008. SMALL LATTICE FRAME SEXTANT BY ADAMS LONDON
S05-001. 2 3/4" LACQUERED BRASS BOX SEXTANT BY TROUGHTON & SIMMS
S05-002. LACQUERED BRASS BOX SEXTANT BY TROUGHTON & SIMMS
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S05-004. STUART'S MARINE DISTANCE METER BY H. HUGHES & SON
05-003. COMPASS CORRECTING AZIMUTH CIRCLE BY GLEERUP & SORENSON
S05-005. SMALL GIMBALLED SHIPS COMPASS BY WILCOX & CRITTENDEN
S05-006. NAVIGATOR'S MARKING PROTRACTOR BY J. DAVIS & SONS
S05-007. SIR WM THOMSON'S PATENT FATHOM RULE
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