Theory of the Erdmann interferometer for investigation of compressible flows A. I. Van De Vooren OriginalPaper Pages: 18 - 28
The apparent dead time of a Geiger counter, measuring an intensity of radiation which varies periodically H. Daams OriginalPaper Pages: 29 - 34
Two systems for the synchronization of pulsed high-energy ion beams G. Von DardelE. HellstrandC. Taylor OriginalPaper Pages: 35 - 46
A stabilized and calibrated A.C. voltage source C. T. J. AlkemadeG. Van Den Brink OriginalPaper Pages: 47 - 50
On the calculation of some definite integrals in antenna theory H. Lottrup Knudsen OriginalPaper Pages: 51 - 68
General considerations regarding the dosimetry of roentgen and gamma radiation W. J. Oosterkamp OriginalPaper Pages: 100 - 118
A micromanipulator for electrical investigations of semiconducting materials A. Kelen OriginalPaper Pages: 125 - 128
Experiments on the Faraday rotation of ġuided waves A. A. Th. M. van Trier Letter to the editor Pages: 142 - 144
The specification and measurement of the speed of hiġh aperture cameras Per Lindberg Letter to the editor Pages: 145 - 146
Improvement of resolvinġ power of optical systems by a new optical element A. Bouwers Letter to the editor Pages: 147 - 148
Geometrical methods in the analysis of ordinary differential equations introduction to non-linear mechanics J. KestinS. K. Zaremba OriginalPaper Pages: 149 - 189
Dead programmes for a magnetic drum automatic computer W. L. Van der poel OriginalPaper Pages: 190 - 198
Induction in a conducting sheet by a small current-carrying loop James R. Wait OriginalPaper Pages: 230 - 236
The extra-resistivity due to vacancies in copper, silver and gold P. Jongenburger OriginalPaper Pages: 237 - 248
Sequential test with three possible decisions for testing an unknown probability J. De Boer OriginalPaper Pages: 249 - 259
Automatic milliwattmeter for electromagnetic radiation J. C. Van Den BoschF. Bruin OriginalPaper Pages: 260 - 264
Potentiostat for use in electro-chemical experiments G. SchoutenJ. G. F. Doornekamp OriginalPaper Pages: 265 - 278
The fields of a line source of current over a stratified conductor James R. Wait OriginalPaper Pages: 279 - 292
The evaluation of the surface impedance in the theory of the anomalous skin effect in metals A. N. GordonE. H. Sondheimer OriginalPaper Pages: 297 - 304
Test of Langmuir’s three halves power law, deviations due to β2-factor and secondary emission P. L. Walraven OriginalPaper Pages: 393 - 399
Crystal structure determination from an x-ray powder diffraction pattern of β-Mg2(OH)3Cl P. M. De WolffD. Kortlandt OriginalPaper Pages: 400 - 408
Construction and properties of sub-miniature pressure pickups C. J. D. M. VerhagenJ. P. palm†B. P. T. Veltman OriginalPaper Pages: 409 - 416
Analogy of hydraulic, mechanical, acoustic and electric systems J. C. SchÖnfeld OriginalPaper Pages: 417 - 450
Measurements on the coercive force of ticonal down to liquid helium temperatures D. A. LockhorstA. Van ItterbeekG. J. Van Den Berg OriginalPaper Pages: 451 - 455
Round-off errors in relaxational solutions of Poisson’s equation A. R. Mitchell OriginalPaper Pages: 456 - 464
General considerations regarding the dosimetry of roentgen and gamma radiation addendum W. J. Oosterkamp OriginalPaper Pages: 477 - 478
Method of obtaining information on the internal dielectric constant of mixtures G. P. De Loor Letter to the editor Pages: 479 - 482