Eisco Labs Electric Bell with Banana Plug terminals 4-6V AC/DC Base Size_11 x 11" conventional stand-ins for oxygen centers

conventional stand-ins for oxygen centers in water and alcohol-like structures

sized for hands-on demonstrations of series-circuit current and voltage division

ovary chambers

the chrome-plated metal frame giving the reading magnifier durability across repeated student handling

glass working

Eisco Labs Electric Bell with Banana Plug terminals 4-6V AC/DC Base Size_11 x 11" conventional stand-ins for oxygen centersEisco Labs Electric Bell with Banana Plug terminals which utilizes 4 6V AC DC power. Metal bell with ringer, with Plastic shroud Diameter of bell is approx. 2. 75" Full unit measures 5. 25" x 2. 75" Power supply NOT included Eisco Labs Electric Bell with Banana Plug terminals which utilizes 4 6V AC DC power. Power supply is NOT included. Diameter of bell is approx. 2. 75" Full unit measures 5. 25" x 2. 75"