US$ 17.95
Cylindrical borosilicate 3
Kaolin (clay) powder (5g)
90mm 3-element uni-focal lens
each with a removable threaded hook for mass-and-density comparison in pendulum-period investigations
Needle-valve Rotaflow design delivers fine
PVC Lab Thermometer, -40 to 50°C Prepared Slides_Botany Cylindrical borosilicate 3Spirit filled glass thermometer on a white PVC backing, sized for room temperature and refrigerator monitoring in classrooms and field use settings.