Vernier Travelling Microscope, 10X with Wooden Case Subcategory_Electromagnetism Seventy-eight-piece molecular model set with

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

running on mains or battery with a 15 by 17 cm pan for routine weighing in classrooms and stockrooms

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

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

demonstrating the mechanism behind crankshaft pistons and steering racks

Vernier Travelling Microscope, 10X with Wooden Case Subcategory_Electromagnetism Seventy-eight-piece molecular model set withCast iron travelling microscope with three leveling screws, horizontal and vertical vernier scales, and a 10x eyepiece for fine resolution measurement in classroom and research laboratories.