US$ 104.95
supporting reflection
Used to dissipate heat during sustained high-current work
a less-common metal reference for density-investigation comparisons alongside the standard brass
7 oz with a threaded removable brass hook
12-Hole Test Tube Stand for Mixed 30mm and 15mm Tubes, Polyethylene Subcategory_Geology Models supporting reflectionFlat pack polythene test tube stand with six 30 mm and six 15 mm holes, disassembling for easy cleaning between uses in chemistry classrooms and student laboratories.
US$ 104.95
US$ 44.95
US$ 24.00
US$ 55.30
US$ 28.95
US$ 34.30
US$ 20.30