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
06-007. SURVEYOR'S PLAIN COMPASS BY BENJAMIN PIKE & SONS
06-010. SURVEYOR'S CROSS WITH TELESCOPE BY C.G. KING
06-051. U.S.G.S. STANDARD TELESCOPIC ALIDADE BY W. & L.E. GURLEY
06-047. U.S. FOREST SERVICE PATTERN GEOLOGISTS COMPASS by W. & L.E. GURLEY
06-032. BINOCULAR HAND LEVEL BY W. & L.E. GURLEY
06-005. EXPLORATION SIZE TRANSIT BY BAUSCH & LOMB OPTICAL CO.
06-011. BRASS SURVEYOR'S INCLINOMETERS
06-014. SCOTTISH MINING DIAL & BREAKDOWN TRIPOD BY A. REID
06-015. ENGLISH MINE SURVEYOR'S VERNIER DIAL BY A. ABRAHAM
06-036. MINE SURVEYOR'S TARGET OIL LAMP SET
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06-058. MINE SURVEYOR'S PLUMMET LAMP BY KUEFFEL & ESSER
06-040. U.S. ENGINEER'S STANDARD 30-CAP EXPLODER BY FIDELITY ELECTRIC
06-018. ENGLISH PORTABLE ASSAY BUTTON BALANCE BY L. OERTLING
06-056. MINIATURE ASSAY BUTTON BALANCE BY H. KOHLBUSCH
06-057. BOXED ASSAY TON WEIGHT SETS
06-048. BIRAM'S 4 1/4" MINING ANEMOMETER
06-021. MINER'S AIR FLOW ANEMOMETERS
06-059. MINER'S CAST IRON LENTICULAR TUNNEL LAMP
06-052. COAL MINER'S CANARY BIRDCAGE
06-033. ENGLISH OVERHEAD MINE PUMPING STEAM ENGINE MODEL
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
06-046. 1871 STERLING SILVER POCKET PEDOMETER BY PAYNE & CO
06-035. CIVIL DEFENSE GEIGER COUNTER CDV-700 MODEL NO. 6B
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