An essay on magnetic attractions, and on the laws of terrestrial and electro magnetism : comprising a popular course of curious and interesting experiments on the latter subject, and an easy experimental method of correcting the local attraction of vessels on the compass in all parts of the world : with an appendix, containing the results of experiments made on ship board from latitude 61o S. to latitude 80o N. / by Peter Barlow.

Galleries and Reading Room

Library

Shop

Café

Our exhibition ‘1880 THAT: Christine Sun Kim and Thomas Mader’ in Gallery 2 is closed this afternoon (Tuesday 17 February) due to essential maintenance work. Thank you for your understanding.

We're running paid user research studies to improve Wellcome Collection online

Peter William Barlow

Works from the collections