Built with sturdy materials, yet manufactured economically, the AmScope M150C is portable and the PS25 version comes with a selection of prepared slides; a good choice for a beginner to use at home, ...

In addition to its high-quality imagery and sleek design, students and teachers agreed that the multiple viewing features of the SWIFT SW380T 40X-2500X trinocular microscope make it an excellent ...

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 ...

Table of metric and English measures and table of natural sines on lining-papers. siris_sil_409278 ...