4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood this lamp holder provides connection

this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits

Two variable 0 to 6V DC outputs paired with two fixed 6V/10W and 12V/20W AC outputs on this power supply controller

Zinc alloy LPG Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for immediate bench setup in chemistry classrooms

5-inch grounded brass disc

4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood this lamp holder provides connectionExposes every moving part of a two pole armature rotating between permanent magnets on an open 4 inch plastic base, running on 3 6V DC to illustrate both motor and generator operation.