US$ 95.00
Glass double-concave lens at 50mm diameter and 100mm focal length
and 4-pole armature configurations on the same motor frame by swapping interchangeable enameled-copper armatures past a permanent bar magnet on a disc commutator
75-inch full-class units
perforated at 1cm intervals along 12 axes with six moveable pins for torque and rotational-energy investigations
Plain End Single Cone Adapter, 14/23, 5 inch Shank, Borosilicate Glass Ends_Button Glass double-concave lens at 50mmPlain end single cone adapter in borosilicate glass features 14 23 cone with 5 inch shaft for chemistry apparatus connections.
US$ 95.00
US$ 28.00
US$ 367.50
US$ 73.99
US$ 1156.50
US$ 11.30
US$ 525.00
US$ 162.50
US$ 897.50