Aneroid barometers and their restoration / Philip R Collins.

"Charts the beginning and development of the aneroid barometer, with many photographs of both common and rare examples. Examines the mechanisms and gives a detailed account of how to repair them, as well as describing some of the characteristic case repairs often found necessary. Examples are used to set out how to date barometers. Appendix contains a summary of patents and there is also a bibliography".--Provided by the publisher.