Photometric

Science observations have begun in earnest for the Herschel Space Telescope, and this spectacular image is the first produced by combining data from two cameras aboard Herschel, the Spectral and Photometric Imaging REceiver (SPIRE), and the Photoconductor Array Camera and Spectrometer (PACS).

Herschel Sees Hidden Stars in the Southern Cross | Universe Today 2009

Photometric Catalogue given in volume xiv. of the Annals of Harvard

Scientific American Supplement, No. 601, July 9, 1887 Various

Photometric tests are made upon different types of incandescent lamps.

The University of Virginia Record 1919

Photometric tests are made upon different types of incandescent lamps.

The University of Virginia Record 1919

Photometric tests are made upon different types of incandescent lamps.

The University of Virginia Record 1918

Photometric tests are made upon different types of incandescent lamps.

The University of Virginia Record 1917

Photometric tests are made upon different types of incandescent lamps.

The University of Virginia Record 1916

Photometric tests are made upon different types of incandescent lamps.

University of Virginia Record 1915

TEMPO Thermal, Electrical, Mechanical, Photometric and Optical Services represent the accumulated advantage of Cree's extensive experience with customer LED systems combined with the use of calibrated test equipment to give LED lighting manufacturers and end users confidence in LED product designs.

unknown title 2011

Jamie Bock, who studies Herschel's Spectral and Photometric Imaging Receiver at NASA's Jet Propulsion Laboratory in California, explained the photos are a huge advancement for galaxy formation studies.

Wired Top Stories Liat Clark 2011