A fire at sea is among a sailor’s worst fears. In the era of wooden shops, where candles and oil lamps were the only sources of illumination, the chance of such a catastrophe was an ever-present ...

Optical Prisms are used to redirect light at a designated angle. Optical Prisms are ideal for ray deviation, or for adjusting the orientation of an image. An Optical Prism's design determines how ...

A fire at sea is among a sailor’s worst fears. In the era of wooden shops, where candles and oil lamps were the only sources of illumination, the chance of such a catastrophe was an ever-present ...