measurements and at London, Berlin, and Munich) had been the lack of plan- and co-ordination. ■. tests are performed by compe- tent men. By watching their Every experiment had to be designed with a view to its being accessible to everybody, in addition to work, they will be able to grasp forming… … Apparatus for demonstrating attraction and repulsion of charged conductors. Electrical measurement apparatus. THE BRUSSELS POPULAR ELEflTUTflAT. TlTHiRATimv
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