$92.15

Vintage Dietgen 1769P Federal Slide Rule with Original Leather Case

$370.34

LATE GEORGIAN DARK GREEN SHAGREEN COVERED DRAWING CASE WITH CONTENTS c.1815

$199

Troughton & Simms Pocket Surveyor Prismatic Compass late 1800's

$464.61

Early Victorian Lucien Vidi Aneroid Barometer by EJ Dent Paris

$9.43

Vintage Microscope slide Red Seaweed Criccieth Wales 1970 #19

$88.87

Rechenschieber, slide ruler, Aristo Scholar Nr. 0903 LL DBGM

$9.43

Antique glass Microscope slide Mollusca Helix Nemoralis Palate #67

$101

Large Antique 11 Inch Footed Blown Glass Tall Form Science Beaker Snapped Pontil

$15

Antique Hydrometer Wine Scale Instrument 8-3/8" Glass Buy It Now

$23.02

VINTAGE TOOL The L. S. Starrett Co, Athol, Mass U. S. A. Pat. APR 13 97 Mar 28 0

$53.19

Vintage Microscope Condenser with Flip-over Top Lens & 35mm Filter Carrier

$50

Collection of 10 Apus sp. (Tadpole Shrimp) Microscope Slides