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Acknowledgements
The publication in 1973 of my catalogue of Martinus van Marum's instruments
in the Teyler Museum completed the first part of a project to
catalogue the entire Physical Cabinet at Teyler's. The instruments
acquired by the Cabinet in the course of the nineteenth century remained
to be studied. This became possible thanks to the generous financial
support of the Netherlands Organization for Scientific Research
(NWO), which I acknowledge with gratitude. Throughout the cataloguing
process, I received unstinting help and support from the
Director, Mr E. Ebbinge, and the staff of the Teyler Museum, making
the work a pleasure. My visits to Haarlem were made both easy and
pleasant by the use of accommodation generously offered by Mr Aldert
Klut.
I have received much help and advice in studying the instruments
from a number of scholars. Mr Marijn van Hoorn, the Keeper of the
Physical Cabinet and Librarian ofTeyler's Museum, has worked closely
with me for the past year in making use of the unrivalled resources of
the Museum's archives and fine specialist library and in checking
descriptions. Dr Paolo Brenni, an expert on nineteenth-century apparatus,
has given me much information and advice, especially on French
makers. I have had useful discussions with Dr J.A. Bennett, Dr W.D.
Hackmann and Mr A.V. Simcock, of the Museum of the History of
Science, Oxford University, and Mr C.N. Brown of the Science
Museum, London. I have made use of the resources of the Radcliffe
Science Library, Oxford, and the Science Museum Library in London,
as well as those ofTeyler’s. Visits to Italian collections were supported
by a NATO Collaborative Research Grant.
My wife, Helen Turner, acted as my amanuensis during cataloguing
visits to Teyler's, and has worked closely with me throughout the project,
which has been enjoyable for both of us.
Photography is an essential part of any catalogue. All the photographs
were taken by myself, and were experdy developed and printed
by Mr B.G. Archer, whose skill and willingness I gratefully acknowledge.