US$ 44.00
and triple sheave frames
this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork
dual bore sights
Three inch cast iron inner ring sits on a 5/16-inch stem paired with an open boss head
and image formation with curved reflecting surfaces
S-Shape Test Tube Stand, Model A Ceramic Labware_Beehive Shelves and triple sheave framesAnodized 18 gauge aluminum S shape test tube stand with a three tier layout, holding four 28 mm and eight 18 mm tubes across an 83 mm tall by 160 mm long footprint.
US$ 44.00
US$ 35.00
US$ 150.00
US$ 120.00
US$ 100.00
US$ 70.00
US$ 95.00
US$ 169.00