Laboratory Grade Anhydrous Aluminum Sodium Sulfate, 500g Subcategory_Wash Bottles Used to measure the energy

Used to measure the energy content of food samples

Compact three-part skull separates at a removable skullcap and articulated mandible

this set of 2 wooden disks and 1 metal ring rolls down an incline so the higher-inertia object reaches the bottom later

this 35mm plotting compass uses a clear plastic base and rotating needle to demonstrate magnetic alignment and direction

generating up to 100

Laboratory Grade Anhydrous Aluminum Sodium Sulfate, 500g Subcategory_Wash Bottles Used to measure the energyFive hundred gram bottle of laboratory grade anhydrous aluminum sodium sulfate, the soda alum salt used in water purification flocculation, dyeing mordant chemistry, and qualitative analysis.