Small Air-Core Solenoid Subcategory_Kinematics 8mm rod attachment and a

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

the medium-strength option for classroom investigations into magnetic poles and field-line geometry

Truncated-cone stainless-steel coil 18cm long with brass wire windings and a 9-9

Converts a 3-bit binary input (0V/5V logic) into a 0 to 7V analog output

Small Air-Core Solenoid Subcategory_Kinematics 8mm rod attachment and aTightly wound 700 turn copper coil on a small air core former, rated 1. 6A continuous and 5A intermittent for short duration high field induction and Lenz law investigations.