J. van Campen, De Haagse jurist Jean Theodore Royer (1737-1807) en zijn verzameling Chinese voorwerpen

Johannes Walaeus. Zijn betekenis vor de verbreiding van de leer van de bloeds omloop

Johannes Walaeus. Zijn betekenis vor de verbreiding van de leer van de bloeds omloop [Johannes Walaeus. His significance in the recognition of the doctrine of blood circulation], by J. SCHOUTEN, Assen, Van Gorcum, 1972, pp. viii, 260, illus., Dfl. 46. Reviewed by Walter Pagel, 58 Millway, London, NW7 3RA. Walaeus [Jan de Wale] (1604-1649) was the first to confirm and amplify by original experim...

Werkbelasting en ervaren werkdruk van de huisarts

De segmentale innervatie van romp en ledematen bij de mens

Although the editor, in his introduction, does not make it quite clear why at this particular point in time the decision was taken to reprint Louis Bolk's neuro-anatomical work on the segmental innervation ofthe human trunk and limbs, there can be no doubt that this monograph of 1910, both from a clinical and historical point of view, is a worthwhile publication. Bolk, the most influential of D...

Of flying frogs and levitrons

Diamagnetic objects are repelled by magnetic fields. If the fields are strong enough, this repulsion can balance gravity, and objects levitated in this way can be held in stable equilibrium, apparently violating Earnshaw’s theorem. In fact Earnshaw’s theorem does not apply to induced magnetism, and it is possible for the total energy (gravitational + magnetic) to possess a minimum. General stab...

`De bevordering en volmaking der proefondervindelijke wijsbegeerte': de rol van het Bataafsch Genootschap te Rotterdam in de geschiedenis van de natuurwetenschappen, geneeskunde en techniek (1769–1988)

For all the obvious hazards and problems of using such a compilation, it is an extraordinary resource. It should surely provide the basis for a much-needed prosopography of the medical trade in the pre-reform era. The sheer proliferation ofnumbers (there are clearly well over 35,000 medical practitioners, in the narrow sense, listed here) provides ample confirmation of the arguments, recently a...