Title

Photograph of a scientist testing a 'closed-circuit' laser that appears to be superior to a gyroscope for guiding spacecraft, rockets, airplanes and ships

Caption

Photograph of a scientist testing a 'closed-circuit' laser that appears to be superior to a gyroscope for guiding spacecraft, rockets, airplanes and ships. Laser light beams flashing through the four fluorescent tubes in opposite directions are used to measure small movements of the laboratory table. Dated 20th Century

Date

20th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A16_037

License type

Rights managed

Available size

60,0Mb (2,1Mb) / 17,3in x 13,5in / 5183 x 4046 (300dpi)

Keywords

20th Century Photograph Photography Scientist Science History of Science Physics History of Physics Closed-Circuit Laser Closed-Circuit Laser Lasers Gyroscope Light Beams Light Light Beam Fluorescent Tubes Fluorescent Tubes Measure Measurement Laboratory Laboratory Table 20th Century