Aluminum-Backed Thermometer, -30 to 110°C, 6.5 x 1", 5-Pack Subcategory_Eye Protection A fully adjustable vibrator system

A fully adjustable vibrator system is incorporated and spark suppression capacitors are housed in the base

the balanced position locating the photometric midpoint between two unequal light sources

this 125mL translucent polyethylene wash bottle features a flexible delivery tube for targeted solvent application

the smaller-tube counterpart to the 300x44mm standard rheostats with the same constantan-winding construction

Aluminum-Backed Thermometer, -30 to 110°C, 6.5 x 1", 5-Pack Subcategory_Eye Protection A fully adjustable vibrator systemFive pack of dual scale aluminum backed spirit thermometers each 6. 5 by 1 inch, reading 30 to 110C and 30 to 230F for classrooms teaching both metric and imperial temperature measurement.