Model 1D LED comes with a 3-fold drum changer with a magnification of 7.5 / 15 / 30 or with a magnification of 3.75 / 7.5/ 15 (S-version). For optimal movement at your workstation we recommend the ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...