The ESAW Simple Wheel and Axle Working Model is an educational DIY apparatus that demonstrates the fundamental principle of mechanical advantage. With this model, students can clearly observe how a small applied force can lift or move a heavier load with ease, making it one of the most effective ...

SW-2274 - ESAW Singing Pipe It is used to demonstrate the conversion of thermal energy into sound energy. On hanging it over a Bunsen burner the heated air when passed out from the gauze field inside the pipe will generate the sound of “Ships foghorn”. The overall length of the tube is 450mm appr...

SW-1902 - ESAW Singing Rod When rubbed in a specific manner, this aluminum rod generates a loud, high-pitched sound. A perfect accessory to Kundt's Apparatus. Includes: rod, special resin and instructions

ESAW Single Contact Key (EEC-9385)Comprising a plated spring strip arm with thumb-press knob, a contact stud, plated connecting strip and a pair of 4mm socket terminals, all mounted on a moulded plastic base. 

ESAW SINGLE KNIFE SWITCH ON BASE (EEC-9592)A SPDT knife switch fitted on a plastic molded case (142 x 80 x 40) mm approx. and can be used as a changeover with the help of an insulated lever. Connections are made via. three 4 mm shrouded sockets to use it in any circuit with 4 mm flexible banana p...

ESAW Siren Wheel (SW-2156)A toothed wheel with a driven handle fitted on a metallic base engaged with a plastic strip. Rotation of the wheel gives a loud rattle sound. The frequency of sound generated by this instrument can be easily calculated by just multiplying No. of teeth on the wheel with t...

ESAW Slide Wire Rheostat, Tube Diameter 4.4Cm (EEC-9808)These are made in a variety of resistances and different current carrying capacities so as to satisfy every need. Some of the special features are:* Special Brass Rider* Excellent Heat Dissipation* Smoothly Operating* Durably ConstructedSupp...

ESAW Slide Wire Rheostat, Tube Diameter 5.6Cm (EEC-9817) These are made in a variety of resistances and different current carrying capacities so as to satisfy every need. Some of the special features are: * Special Brass Rider * Excellent Heat Dissipation * Smoothly Operating * Durably Constructe...