THE author of this convenient and systematic little treatise is Demonstrator of geology in the Imperial College of Science, London, where he has gained experience through the introduction of large I ...
This is a preliminary report and outline of the forms to be included in a comprehensive study of various spores and pollen grains from Carboniferous fructifications. A large number of reproductive ...
THE story of the development of any scientific instrument is an interesting one, but this is especially so when the result of the development is so universally known and used as the microscope. The ...
Table of metric and English measures and table of natural sines on lining-papers. siris_sil_409278 ...
Table of metric and English measures and table of natural sines on lining-papers. siris_sil_115192 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results