Isotherms and thermodynamical functions of three hydrogen-nitrogen-ammonia mixtures between 0° and 150°C and pressures up to 300 atmospheres A. MichelsT. WassenaarP. Louwerse OriginalPaper Pages: 1 - 10
Theory of the erdmann interferometer for investigation of compressible flows A. I. Van De Vooren OriginalPaper Pages: 18 - 28
On the determination of heats of transformation in ceramic materials R. KronigF. Snoodijk OriginalPaper Pages: 27 - 30
The apparent dead time of a geiger counter, measuring an intensity of radiation which varies periodically H. Daams OriginalPaper Pages: 29 - 34
The aerodynamic forces on an oscillating aerofoil between two parallel walls R. Timman OriginalPaper Pages: 31 - 57
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
Erratum to: The influence of electric fields on the convective heat transfer in liquids G. AhsmannR. Kronig Erratum Pages: 83 - 84
The influence of electric fields on the convective heat transfer in liquids II H. J. de Haan OriginalPaper Pages: 85 - 88
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 guided waves A. A. Th. M. van Trier Letter To The Editor Pages: 142 - 144
The specification and measurement of the speed of high aperture cameras Per Lindberg Letter To The Editor Pages: 145 - 146
Improvement of resolving 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 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
Guided electromagnetic waves in anisotropic media A. A. Th. M. van Trier OriginalPaper Pages: 305 - 371
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. PalmB. 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 Addndum 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