Optics
-
-
Accessories For Optical Bench
Stand for Optical Bench Accessories
For use with our optical bench PH30518. The stand for mounting various optical accessories is made of wooden base (75 x 40 mm). The pillar can take 6 mm dia. rod and has a lock screw. The stand is marked with an index line. Overall height 72 mm.
PH30625 -
Accessories For Optical Bench
Combined Object and Receiving Screen
Comprising a black metal frame 150 x 100 mm with an aperture, and a removable white card screen. The card has an aperture with an index point for use as an object, or the card may be inverted and used as a receiving screen. Mounted on a base 100 x 50 mm.
PH30635 -
Optics
Polarising Filter Stress Determination
Demonstrate stress patterns in solids with this new and valuable equipment. Two polarising filters, mounted on a graduated frame are placed on a plastic base. Clear acrylic pieces of different shapes are introduced between the filters; when pressure is applied to the solids the resulting stress patterns are observed. An important method of demonstrating polarisation and stress. Includes instructions.
PH30642 -
Accessories For Optical Bench
Fresnel’s Biprism
The 40 x 30 mm bi prism with optically worked surfaces is mounted in a frame with hinged joint and has a micrometer screw for adjustment. For determination of the wavelength of light by measurement of interference fringes produced by interference between two beams of light originating as a single beam from a common source and split by the bi prism.
PH30670