THIS book appears to compare very favourably with most English works of its class. The greater part of it deals with practical solid geometry, including the method of indexed plans; this subject is ...

Figure 1: Quantum objects such as electrons, protons and neutrons are notoriously difficult to pin down due to Heisenberg’s uncertainty principle. Now, two RIKEN researchers have derived analogous ...

A PERSON may be a Cambridge Wrangler, and yet unable to make a simple graphical construction with accuracy. The ordinary schoolboy's knowledge of practical geometry is generally worthless or nil, and ...

Binder's title: Playfair's Euclid. At head of title: Dean's stereotype edition. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries ...