Search
Now showing items 1-5 of 5
No todo lo que brilla es oro
(Pontificia Universidad Católica del Perú, 2022-10-19)
This philatelic corner is a tribute to pyrite, a brilliant mineral with attractive geometric shapes that has always excited collectors and geologists worldwide and whose relevance has been captured on the stamps of many countries.
El Dr. Carvallo, Ricardo Palma y los rayos X
(Pontificia Universidad Católica del Perú, 2020-09-14)
The discovery of X-rays by Wilhelm Conrad Röntgen and their introduction in Peru by Dr. Carvallo is the central theme of the philatelic corner.
El patrono de los químicos farmacéuticos
(Pontificia Universidad Católica del Perú, 2019-02-20)
The focus of this note is Fray Martín de Porres Velásquez, the patron saint of pharmaceutical chemists in Peru, which was portrayed in a Peruvian stamp.
Elementos químicos y la Exposición Peruana en París de 1958
(Pontificia Universidad Católica del Perú, 2018-09-28)
The stamps of the Peruvian Exhibition in Paris of 1958 and the chemical elements present in them
Tan sólo una palabra: Plásticos
(Pontificia Universidad Católica del Perú, 2013-03-26)