MS-272 PVG LIGHT BOX AND OPTICAL SET

Consist of a strongly constructed light box in thick metal sheet
finished in black matt paint, with vertical grooves at the ends, sides
to accommodate slit plates and color filters; adjustable side doors
with plane mirrors; with 12 V 24 W S.B.C. axial filament lamp held
in a bakelite moulded lamp holder fitted with 1 meter lead
terminating in two 4 mm. plug. Dimensions 180 x 95 x 60 mm.
Optical set includes an acrylic rectangular block; triangular prisms,
0 0 equilateral, right angled (45 ), right angled (60 ); semicircular block;
cylindrical biconvex lenses of 15 and 30 mm. thickness; biconcave
lens ; a mounted plane mirror; cylindrical mirror; parabolic mirror;
set of 8 mounted color filters; primary blue, green and red, cyan,
magenta orange, violet and yellow; set of 6 colored cards and 2 slit
plates.