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Focus adjusting hand-wheel
2 x 2" x 4" Elbow & Knee plastic bandages
Measures 1" x 20
Size: 205mm x 205mm x 110mm
and it is used by microbiologists to smear samples on a nutrient medium in a petri dish when cultivating a microbial culture
Advanced Spectrometer Dice Focus adjusting hand-wheelThe 175 mm diameter scale is fixed. The table and telescope movements are completely independent of each other and read to 30 seconds of arc by means of double ended verniers and magnifiers. Both rotations have fine adjustment screws. Coarse adjustments can also be made by release of clamping screw. Collimator is mounted on a fixed pillar and is fitted with 175 mm fl. Achromatic objective with 32 mm clear aperture and a laterally adjustable slit 6 mm
US$ 16.24
US$ 19.49
US$ 48.74
