IN this the first volume of what will evidently be an elaborate work on practical physics, the authors have treated of general physical processes only, i.e. of the methods employed in the laboratory ...

v. 1. General physical processes.--v. 2. Electricity and magnetism.--v. 3. pt. 1. Practical acoustics, by C.L. Barnes https://siris-libraries.si.edu/ipac20/ipac.jsp ...

In our major, annual survey of almost 2,000 science teachers and technicians, insufficient time (58%), challenging student behaviour (48%), and the cost of consumables and chemicals (43%) were cited ...