01-061. LEITZ MICROSCOPE EYEPIECE CAMERA LUCIDA
01-062. ABBE EYEPIECE MICRO-SPECTROSCOPE BY ERNST LEITZ
01-063. ABBE EYEPIECE MICRO-SPECTROSCOPE (UNSIGNED)
01-064. NOMARSKI INTERFERENCE CONTRAST SET BY REICHERT
01-065. LEITZ HEATING STAGE
01-066. EYEPIECE FOR GRAIN SIZE DETERMINATION BY BAUSCH & LOMB
01-067. LEITZ DOUBLE DEMONSTRATION EYEPIECE BY SPENCER
01-517. CMU LARGE RESEARCH POLARIZING MICROSCOPE BY ERNST LEITZ
01-612. 4-AXIS UNIVERSAL STAGE (UT4) BY E. LEITZ
06-060. WALL-MOUNTED MINER'S SAFETY LAMP BY VICTOR LAMP WORKS
06-061. BOLIVIAN MINER'S PLAIN FROG LAMP
06-062. CHILEAN MINER'S No.5B WELLS SINGLE TORCH LAMP BY A.C. WELLS
06-063. GOLD RUSH MINER'S POCKET HAND BALANCE
07-041. HERBERT SMITH-TYPE GEM REFRACTOMETER BY J.H. STEWARD
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07-042. EARLY 1937 PATENT GEM REFRACTOMETER
07-043. EARLY GEM REFRACTOMETER MODEL I BY GIA
07-044. WOOD CRYSTAL MODELS
07-045. MAHOGANY CASED 4 LAYER BLOWPIPE SET & REAGENT SET BY AUGUST LINGKE
07-046. EARLY 1935 PATENT GEM REFRACTOMETER BY RAYNOR
09-056. NICOLET SLIDE RULE MECHANICAL PENCIL
09-057. THACHER'S CALCULATING INSTRUMENT MODEL 4013 BY KEUFFEL & ESSER
09-058. RARE WHITE ON BLACK OTIS KING'S PATENT CALCULATOR MODEL L IN CASE
09-059. LORDS POCKET CALCULATOR BY R. WADDINGTON
09-060. OTIS KING'S PATENT CALCULATOR MODEL K
11-007. M-209-B US ARMY 6-ROTOR CRYPTOGRAPHIC MACHINE
14-005. CAMPBELL-STOKES SUNSHINE RECORDER BY NEGRETTI & ZAMBRA
15-038. KNAPP'S OPTHALMOTROPE BY FRITZ SARON HALBERSTADT
16-027I. YELLOWSTONE STEREOGRAPH SET BY KEYSTONE (50 CARDS)
16-031. 6 BOXES OF 12 45x107mm GLASS STEREOSCOPE SLIDES WITH VIEWER
18-001. SELF-WINDING STOCK TICKER MODEL 35-A #9683 BY T.A. EDISON, INC.
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