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
19-007. AMSLER 3-WHEEL MECHANICAL INTEGRATOR BY K&E
19-011. LABORATORY DEMONSTRATION THERMOPILES
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19-012. ACOUSTIC BELLOWS AFTER BERTRAM WITH 7 DEMONSTRATION PIPES
19-014. ENGLISH COUNTY COUNCIL 7lb BALANCE BY AVERY DE GRAVE
19-015. MORDAN-TYPE POSTAL SCALE
19-016. LARGE FRENCH GRAIN TESTING BALANCE
19-017. "EDNEY" SWING HYGROMETER BY PASTORELLI & RAPKIN
19-018. 18th CENTURY AMPUTATION SAWS
19-019. 2-PIECE HALF OF HEAD MODEL WITH WOOD BACK
19-020. 5-PIECE SET OF APOTHECARY'S CONE SHAPE GRADUATES BY WHITALL TATUM CO.
19-022. STEREO HAWK-EYE SELF-TRANSPOSING PRINTING FRAME BY BLAIR CAMERA
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