06-001. SMALL 18TH C ENGLISH CIRCUMFERENTOR BY H. EDGWORTH
06-002. 18th C AMERICAN SURVEYOR'S WALNUT SEMI-CIRCUMFERENTOR
06-003. 18th C AMERICAN SURVEYOR'S MAHOGANY SEMI-CIRCUMFERENTOR
06-004. IMPROVED TRANSIT THEODOLITE BY BENJAMIN PIKE & SONS
06-005. EXPLORATION SIZE TRANSIT BY BAUSCH & LOMB OPTICAL CO.
06-037. VERNIER TRANSIT COMPASS BY W. & L.E. GURLEY
06-007. SURVEYOR'S PLAIN COMPASS BY BENJAMIN PIKE & SONS
06-010. SURVEYOR'S CROSS WITH TELESCOPE BY C.G. KING
06-011. BRASS SURVEYOR'S INCLINOMETERS
06-032. BINOCULAR HAND LEVEL BY W. & L.E. GURLEY
06-014. SCOTTISH MINING DIAL & BREAKDOWN TRIPOD BY A. REID
06-015. ENGLISH MINE SURVEYOR'S VERNIER DIAL BY A. ABRAHAM
06-030. MINE SURVEYOR'S COMPASS & GRADBOGEN COMPENDIUM
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06-036. GERMAN MINE SURVEYOR'S TARGET OIL LAMP SET
06-018. ENGLISH PORTABLE ASSAY BUTTON BALANCE BY L. OERTLING
06-038. 8-PIECE ASSAY TON WEIGHT SET BY BECKER'S SONS
06-039. CALIFORNIA GOLD RUSH POCKET GOLD SCALE
06-021. MINER'S AIR FLOW ANEMOMETERS
06-022. GERMAN MINER'S FROG LAMPS
06-031. MINER'S CAST IRON TUNNEL LAMP
06-033. ENGLISH OVERHEAD MINE PUMPING STEAM ENGINE MODEL
06-025. D.W. BRUNTON'S 1894 PATENT POCKET TRANSIT BY WM AINSWORTH & SONS
06-026. D.W. BRUNTON'S PATENT POCKET TRANSITS BY WM AINSWORTH & SONS
06-027. D.W. BRUNTON'S PATENT POCKET TRANSITS BY OTHER MAKERS
06-029. GEOLOGISTS' CLINOMETER & COMPASS COMBINATIONS
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