Gallery 98

ART EPHEMERA 1960s – 1990s

Gallery 98 is for collectors and researchers. We specialize in announcement cards, posters, publications and other art ephemera from the 1960s - 1990s. For all inquiries: | Sign up for our Newsletter    

Mid 1970’s, papers and photo negatives for de Montebello’s Synthalyzer, An Invention to Study the Internal Forms of Living Organisms.

Paperwork and diagrams for Roger de Montebello’s Synthalyzer, circa mid 1970’s. Synthalyzer was an invention used in medical contexts, projecting sequenced images with an overlapping time delay to create a 3D effect, allowing doctors and scientists to view xrays or other images in an early form of 3D.


Pen and Marker sketch.  8.5″ x 11″


Negative tests for 3-D synthesis and analysis of model of human head lying of its right side. Positives are shown to illustrate the image – Gallery 98 only possesses the negatives. 4″ x 5.25″ each.


Large diagram drafted and signed by Roger de Montebello, February 1976. 19″ x 23″


A reprint from the Proceedings of the Society of Photo-Optical Instrumentation Engineers, Roger de Montebello, 1977. 10 Pages. 8.5″ x 11″:


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