๐”– Bobbio Scriptorium
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Improvements in Television Equipment


Book ID
109521893
Publisher
Nature Publishing Group
Year
1937
Tongue
English
Weight
118 KB
Volume
140
Category
Article
ISSN
0028-0836

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๐Ÿ“œ SIMILAR VOLUMES


Improvements in testing equipment
โœ D. I. Mogilevskii ๐Ÿ“‚ Article ๐Ÿ“… 1961 ๐Ÿ› Springer US ๐ŸŒ English โš– 52 KB
Improvements in photometric equipment fo
โœ A.H. Taylor ๐Ÿ“‚ Article ๐Ÿ“… 1922 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 145 KB

PttOTOMETRIC equipment in use with integrating spheres has not undergone any radical changes since the sphere was first introduced by Ulbrieht. It usually consists of a bar photometer and accessories, including a set of standardized sectored disks and a Lummer-Brodhun photometer-head. In I917, R. V