US$ 17.23
glass working
this wooden block-and-tackle apparatus lets students count supporting strands and measure how each added pulley reduces effort
and organelles with hand-painted detail on a mounted base for biology teaching
Used to visualize amino acids
and histology laboratory instruction
4-Prong Vinyl-Coated Clamp on Stainless Steel Rod, 4.1" Max Subcategory_Test Strips glass workingZinc die cast body with non toxic powder coating mounts vinyl coated four prong jaws on a 5. 5 inch stainless steel rod, gripping flasks and condensers up to 4. 1 inches.
US$ 17.23
US$ 35.00
US$ 11.48