19-002. ACHROMATIC TERRESTRIAL TELESCOPES WITH LEATHER-COVERED BRASS BARRELS
19-003. 7 3/8" and 7 1/2" TERRESTRIAL GLOBES
19-004. MYSTERY OBJECT
19-005. 6" BRONZE SUNDIAL ON OAK BASE BY CUSHING & CO.
19-023. BELLAMY'S ROAD TRACER BY STANLEY
19-024. HAND-HELD BRASS HYPSOMETER BY PAUL DUVERGIER
19-016. LARGE FRENCH GRAIN TESTING BALANCE
19-018. 18th CENTURY AMPUTATION SAWS
19-019. 2-PIECE HALF OF HEAD MODEL WITH WOOD BACK
19-022. STEREO HAWK-EYE SELF-TRANSPOSING PRINTING FRAME BY BLAIR CAMERA
19-0176. HAND MICROTOME
19-0177. BLACK LACQUERED BRASS BENCH MICROTOME
19-0301. PHILLIPS' CHALLENGE GLOBE & PICTORIAL WORLD ATLAS
19-0581. 18" EBONY SHANNON'S ROLLING PARALLEL RULE
19-0651. MINING LAMP
19-0661. ASSAY OFFICE LABORATORY TESTING APPARATUS
19-0682. ANGLE OF SIGHT INSTRUMENT BY JH STEWARD
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19-0683. HUTCHINSON'S PRISMATIC COMPASS BY KEUFFEL & ESSER
19-0811. DROP SPRING BOW PEN & PENCIL SET
19-0861. DRAFTSMAN'S INK BOTTLE HOLDER PAPER WEIGHT
19-0931. 20-INCH SLIDE RULES
19-0941. RUXTON MULTIVIDER SLIDE RULE MECHANICAL PENCIL
19-0981. STIMA
19-0982. RESULTA BS7 MECHANICAL ADDING MACHINE
19-1051. EQUILATERAL PRISM ON LACQUERED BRASS TABLE STAND
19-1054. LACQUERED BRASS SPHEROMETER BY W. WILSON
19-1211. 2-PAN BALANCE
19-1221. LARGE CHINESE OPIUM SCALE ("DO'TCHIN") IN SHAPED WOOD CASE
19-1222. SMALL CHINESE OPIUM SCALE ("DO'TCHIN") IN SHAPED WOOD CASE
19-1261. 6-PIECE SET OF ENGLISH BRASS BELL WEIGHTS 1 LB - 1/2 OZ
19-1301. EARLY 19TH C HYDROSTATICAL GLASS BUBBLE SET BY J. HERON
19-1511. TROELTSCH'S EAR MIRROR IN LEATHER CASE
19-1521. OPTICIAN'S HORN-FRAMED LORGNETTE-STYLE TRIAL LENS SET
19-1861. HAND-HELD STEREOVIEWERS FOR GLASS SLIDES
19-1862. HAND-HELD STEREOVIEWERS FOR CARDS
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