IN NATURE (vol. xx. p. 103) there appears an abstract of a paper by Prof. E. W. Blake on a machine for drawing compound harmonic curves. Prof. Blake is doubtless not aware that this machine is ...

SWIFT SW380T 40X-2500X trinocular compound microscope review Ergonomic and easy to operate with professional functionality, the SWIFT SW380T gives clear, detailed images from magnifications of 40X ...

Right: Compound microscope. Credit: Jacques from Cape Town, South Africa. Reproduced under the Creative Commons Attribution 2.0 Generic license. Cropped to highlight one instrument only. In a compound ...