30 x 42 in (75 x 107 cm)
ID #101462
1950 1955 250-500 Chart 26. Light charts educational foot-candle meter industrial industry information informative institutional instructional invention inverse lenses light medium mirrors Original 1955 periscope product reflection refraction schools science scientific size-29-5x42 slick coating on surface; dimensions may vary slightly with each by about a 1/4 inch telescope US United States vintage poster W. M. Welch Manufacturing Company
Vocation 2
France c. 1930s
"L'AFFICHE DES GALERIES
France, 1973
Kunstindustrimuseet
Denmark, 1970
Vocation
France, c. 1930s
Jean Messagier
France, 1975
