Gay-Lussac With capillary glass stopper ground to flat-sided point for take-off of overflow 10 mL and 25 mL sizes are for ASTM Standard D 369 and Barrett test H-8; AASHTO standard T-74 *min order of 10 each  

Thermometer with Standard Taper No. 10/18 ground joint serves as stopper Side arm is fitted with vented 5/12 cap Thermometer range 14° to 37°C in 0.2° divisions; tolerance ±0.2°C Capacities are within 10% of nominal capacities etched on flask 50 mL…