First published in 1962 under title: Microscopy. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!28488~!0#focus ...
Most related to the operation and benefits of the microscope. One item is a guide to workshops and laboratories, another evaluates the use of the karatoscope. Covered also are the telescope, barometer ...