Monthly magazine published through the efforts of the Polish Natural History Society devoted to the natural sciences and their application.
Volumes 1, 3, 9 and 10 for the year 1929
Softcover booklet. Graphic design of the cover by Nowodworski [ Monument to Copernicus - Nicolaus Copernicus Compatriots]. Overall condition good.
Articles : " On transformation of matter, on metallography, from hydrographic and fishing research near Hel, on narmalization and mechanization in construction, bacteriology, eruption of Vesuvius and others ".
Number of pages in the notebook about 50.
Format : 16 x 24 [cm]