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 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
International Ballet Competition Moscow
USSR, 1969
Spartacus (Спартак)
USSR, c. 1963
Aida (Аида)
Rigoletto (Риголетто)
A Tragic End
United States, c. 1969 (?)
Deutsche Oper am Rhein Düsseldorf-Duisburg
Germany, 1968
