50mm Magnetic Compass - Pack of 2 by labpro lab beaker shot glasses com/s/files/1/2407/1409/products/multicolor-hand-refractometer-by-labpro-college-lab-laboratory-equipment-medical-pathological-equipments-deal-laboratorydeal-tool-monocular-blade_291

com/s/files/1/2407/1409/products/multicolor-hand-refractometer-by-labpro-college-lab-laboratory-equipment-medical-pathological-equipments-deal-laboratorydeal-tool-monocular-blade_291

DC Ammeter

are designed to allow current to flow in the reverse direction when a specific breakdown voltage is reached

a)         Single bulb low voltage 24V-250W Halogen through step-down            transformer

com/products/top-quality-by-labpro-brand-snellen-eye-visual-acuity-chart-for-testing-at-10-feet#product"

50mm Magnetic Compass - Pack of 2 by labpro lab beaker shot glasses com/s/files/1/2407/1409/products/multicolor-hand-refractometer-by-labpro-college-lab-laboratory-equipment-medical-pathological-equipments-deal-laboratorydeal-tool-monocular-blade_29150mm Magnetic Compass Pack of 2 by labpro 50mm Magnetic Compass Pack of 2.