Ganong's Potometer with Glass Stopcock and Wooden Base Subcategory_Inorganic Compounds featuring a 20cm terrestrial globe

featuring a 20cm terrestrial globe with political boundaries and a graduated plastic meridian arc for map-reading work

reducing the need for separate tool types

and iron rods for linear-expansion comparison

and an ignition light that fires on compression

Zinc-plated rectangular steel bar-magnet pair packaged with keepers that bridge the poles in storage

Ganong's Potometer with Glass Stopcock and Wooden Base Subcategory_Inorganic Compounds featuring a 20cm terrestrial globeClassic Ganong design on a wooden base uses a glass stopcock to isolate the capillary reservoir, supporting transpiration rate measurement in plant physiology labs.