Turbojet Gas Engine Desktop Model, 16" Length Pack Size_14 5V DC fan motor with

5V DC fan motor with a blue plastic blade on a 3

Extended-range rheostat at 12 ohms and 4A on a 200x44mm tube with constantan winding

Rotation-to-linear gear-rack simple-machine model converting circular gear motion into straight-line rack travel

Twelve-slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms

Graduated white screen mounted for use on the optical bench

Turbojet Gas Engine Desktop Model, 16" Length Pack Size_14 5V DC fan motor withHand painted 1: 16 scale metal turbojet model on a 19 by 9 inch base with a 16 inch engine body, spinnable through a shaft wheel to show compressor, combustion, and turbine interaction.