Basic No. V Microscope Slide Set, 15-Piece Capacity_500mL the mid-length option for paired

the mid-length option for paired Hooke's-Law comparisons against 4-inch and 9-inch siblings in the series

5 inches long with no fixed pitch

the slightly thicker stock holding a stronger field than the 75 x 10mm model and shipped with steel keepers between sessions

firing a 19mm ball up to 10 feet with less than 1cm scatter

this demonstration electroscope detects and visually quantifies the magnitude of static charges

Basic No. V Microscope Slide Set, 15-Piece Capacity_500mL the mid-length option for pairedBasic 15 slide set pairs common plant and animal tissue preparations for short unit microscopy coursework in middle school and early high school.