Straight Borosilicate Glass Barometer Tube, 90cm x 3-4mm Bore Item Type_Spoon the thinnest gauge for mounting

the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays

Illustrates that sound needs a medium to travel through a 10-inch acrylic bell jar with internal buzzer

Marriot-style Boyle's Law apparatus on a 250 by 175mm ABS plastic base with a 50mL gas syringe coupled to a pressure gauge for direct piston-and-gauge P-V data collection

each 12-25g

Straight Borosilicate Glass Barometer Tube, 90cm x 3-4mm Bore Item Type_Spoon the thinnest gauge for mountingBorosilicate glass 90cm barometer tube with a 3 4mm bore, open at one end for mercury barometer construction and atmospheric pressure demonstrations.