A 30cm. dia, white painted steel disc marked from 0 to 360° at every 1°, with centre mark, on a stable cast iron base. The main disc and the lamp house (with 12V, 24W bulbs) can be rotated and held in any desired position. With the lamp house, a...
A 500 mm diam. disc marked every 5° is mounted on a heavy stand and is rotatable around its centre. It can be held in any desired position. The lamphouse, with a 12V 24 W special filament lamp has rotatable slots to provide light beams of varying...
A 30 cm. diameter white painted steel disc marked from 0 to 360° at every 1°, with center mark, on a stable cast iron base. The main disc and the lamp house (with 12V, 24W bulb) can be rotated and held in any desired position. With the lamp...
A 500 mm diam. disc marked every 5° is mounted on a heavy stand and is rotatable around its centre. It can be held in any desired position. The lamphouse, with a 12V 24 W special filament lamp has rotatable slots to provide light beams of varying...
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