Apparatus №1

Plate number $\sum_1^\inf\frac{1}{n^2}=1,6449340668= \frac{\pi^2}{6}$. This is a line of the Latex language in which mathematicians write formulas in their articles.

Apparatus №2

Plate $\sum_1^\inf\frac{1}{n^3}=1,2020569032$. The birth of the distiller. Distillation is the process of evaporation of a liquid, followed by cooling and condensation of vapors.

Plectognathi

Plate $\sum_1^\inf\frac{1}{n^18}=1.000003820$ According to FishBase, 31,500 species of fishes had been described by January 2010. As of August 2021, FishBase included descriptions of 34,700 species.

Apparatus №1

Plate number $\sum_1^\inf\frac{1}{n^2}=1,6449340668= \frac{\pi^2}{6}$. This is a line of the Latex language in which mathematicians write formulas in their articles.

1/17

The series is inspired by old technical engravings. The sheets, as expected, are supplied with explanatory inscriptions and comments, and they are numbered by the Riemann zeta function. Figure captions are taken from the Internet