Narrow-Angle Glass Prism, 15° x 82.5° x 82.5° Item Type_Dissection Equipment Heavy-duty spring-loaded three-finger jaw with

Heavy-duty spring-loaded three-finger jaw with dual-screw fine adjustment mounts on a swivel boss head accepting 18mm rods

Can withstand high temperatures and thermal shocks

Larger 100 by 75mm plane glass mirror set into a wooden mounting block

Bobbin-wound coil for the demountable transformer with panel-mount 4mm sockets and an enclosed earth connection

Narrow-Angle Glass Prism, 15° x 82.5° x 82.5° Item Type_Dissection Equipment Heavy-duty spring-loaded three-finger jaw withMid narrow 15 x 82. 5 x 82. 5 glass wedge prism, the apex doubling the deviation of the 5 wedge while staying within the small angle approximation regime.