Rational motions of special four-bars

A method for the calculation of orthogonal transformation matrices and its application to photogrammetry and other disciplines

Curvature theory in plane kinematics

Geometrical considerations on space kinematics in connection with Bennett's mechanism

Behandeling van de koppelkromme met behulp van isotrope coördinaten

Axiomatische onderzoekingen over de vlakke meetkunde

Toepassing van de kansberekening op den regenval met het oog op polderbemaling

This study aims at aiming an insight into the rainfall in the Netherlands with regard to the determination of the desirable capacity of draining-mills. With this end in view a statistical investigation has been made of the data of the daily quantities of rain during the years 1890 up to 1939 inclusive, at Boskoop, Leeghwater and Hoorn. First of...

Over de berekening van grondwaterstroomingen

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Meetkundige beschouwingen in verband met de theorie der electrische vierpolen