Basic Magnetic Field Chamber, 3.625 x 2.3125" Subcategory_Lab Jacks 2A with constantan winding on

2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact

Cutaway hand-powered Wankel rotary model at 8 by 7 by 3

Meter-stick optical bench fitted with two supports

75-inch height range for bench apparatus

showing the hexagonal bonding within each layer and the weak bonding between layers

Basic Magnetic Field Chamber, 3.625 x 2.3125" Subcategory_Lab Jacks 2A with constantan winding onSealed transparent cylinder 3. 625 inches tall and 2. 3125 inches across, filled with iron filings whose alignment renders 3D field lines around any bar magnet up to 0. 625 inches in diameter.