3-Piece Large Acrylic Block Set for Light Demonstrations (Rectangle, Equilateral, Right Isosceles) Subject_Zoology Greatly magnified HIV virion model

Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA

equipping a class for compound-pulley and variable-diameter work

letting students drive the lamp directly or send the slow AC output to a meter or oscilloscope

LPG Bunsen burner with an anti-tip cast iron base and adjustable air flow

Platinum resistance thermometer with fine platinum wire wound non-inductively on a mica frame and soldered to copper leads

3-Piece Large Acrylic Block Set for Light Demonstrations (Rectangle, Equilateral, Right Isosceles) Subject_Zoology Greatly magnified HIV virion modelDesigned for class front light and prism demos, a 3 piece large acrylic block set ships a 7. 5x4. 3 inch rectangle, 7. 5 inch equilateral, and 7. 25x5. 1 inch right isosceles, all 23mm thick.