Plain Bend Receiver Adapter, 19/26 Socket and 24/29 Cone, Borosilicate Glass Hypotenuse_35mm Single D-cell holder mounted on

Single D-cell holder mounted on a base with 4mm sockets

supporting three-rope compound arrangements for advanced mechanical-advantage investigations

Ungraduated

Three 1W resistors of different values on a single base with six 4mm terminals

Permanent-magnet stack inside an 8 x 5 inch base recharges weakened bar and horseshoe magnets by realigning their domains - no electrical power

Plain Bend Receiver Adapter, 19/26 Socket and 24/29 Cone, Borosilicate Glass Hypotenuse_35mm Single D-cell holder mounted onPlain bend receiver adapter in borosilicate glass features 19 26 socket and 24 29 cone for distillation collection with right angle redirection.