- Circa 1954
Depicts a chemist with test tube and flask, as well as the chemical structure of a carboxyl group.
- After 1885 – before 1953
Postcard image is a reproduction of Finnish painter Albert Edelfelt's famed portrait "Pasteur Dans Son Laboratoire" [Pasteur In His Laboratory]. The portrait depicts Pasteur in his laboratory at the rue d'Ulm,…
Mexican postage stamp issued to commemorate the 25th anniversary of the founding of the Instituto Politécnico Nacional de México (the National Polytechnic Institute of Mexico) on January 1, 1936. Established during the…
- Creator Of Work Mexico. Dirección General de Talleres de Impresión de Estampillas y Valores
- Subject Commemorative postage stamps, Mexico, Postage stamps, Science on postage stamps, Instituto Politécnico Nacional (Mexico), Women in science, Scientific apparatus and instruments, Science--Study and teaching