$24.99

Antique NOS Brass Mechanical Auburndale Thermometer Replacement Spring Part

$16.2

2 x TEST TUBES WITH FEET - PREDECESSOR OF THE MODERM TEST TUBE {CHEMISTRY} RARE

$250

RARE Improved Robertson-Thompson Steam Engine Indicator

$53.24

Brass Compass Antique Looking Engraved Designer with Leather case Working Brass

$36.4

Kelvin & Hughes 1917 Antique Vintage Brass Solid Brunton Compass Handmade gift

$53.33

Pair of Vintage Microscope Eyepieces - 23mm dia. 6x 8x 10x 15x 17x Many Choices

$10

Assorted Microscope Slides (W)

$119

Antique Geometrical Solids & Planes Wood Blocks And Cardboard in Original Box

$25

Tetranychus telarius Microscope Slide by Moeller

$25

Spinal Cord Histology Microscope Slide by Moeller

$472.57

Antique Railway Telegraph Line Test Set Silvertown London Patent No 166

$31.69

British Military Ww2 Mark Iii Prismatic Nautical Brass Pocket Compass