The design of low-cost photometric telescopes
Design specifications for low cost photometric telescopes
Johnson, H. L.↗
Engineering topics
Publications and source records attributed to Johnson, H. L..
Design specifications for low cost photometric telescopes
Multicolor photometric analysis of bright stars - tables
Five-color photoelectric photometry used to obtain more accurate apparent magnitudes of 1300 naked-eye stars
Infrared stellar spectrometer with lead sulfide detector and resolution of 3a
Digitalized multi-color photometer and data reduction system for stellar observations in 0.35 to 5.0 micron region