Elements of Optics is a comprehensive book written by Humphrey Lloyd in 1849. The book covers the principles of optics, including the nature of light, ...

""Account Of The Magnetical Observatory Of Dublin And Of The Instruments And Methods Of Observation Employed There"" is a historical book written by Humphrey ...

First Published in 2005. This book is about the Quaker Lloyds in the time of the industrial Revolution from 1660 to 1860. Inspired at first by several ...

Miscellaneous Papers Connected With Physical Science is an unchanged, high-quality reprint of the original edition of 1877. Hansebooks is editor of the ...