Caption
Solid-angle measurer, goniometer, goniospectrometer or photometer head, an instrument for measuring the solid angle or the angle-dependent distribution of physical quantities, usually light (luminous intensity), by Ernst Heinrich Weber (1795–1878), Illustration, reproduction of a 19th-century original. Authentic, file restored for optimal use, exact date of the original unknown, historical
Credit line
Photo12/ImageBROKER/Sunny Celeste
Reference
BRK26J27_308
Model release
No
Property release
No
License type
Royalty free
Available size
74.0Mb (24.7Mb) / 20.2in x 14.2in / 6064 x 4264 (300dpi)