Crystallography And Practical Crystal Measurement volume 2
Crystallography And Practical Crystal Measurement volume 2
Alfred Edwin Howard Tutton
The book Crystallography And Practical Crystal Measurement volume 2 was written by author Alfred Edwin Howard Tutton Here you can read free online of Crystallography And Practical Crystal Measurement volume 2 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Crystallography And Practical Crystal Measurement volume 2 a good or bad book?
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Three important stage fittings are provided, which are readily attached when required, the two ordinary spring-clips for holding microscope slides on the fixed rectangular stage being easily removable, as they are simply carried by pegs fitting into two cylindrical holes in the stage. The first is a simple Mechanical Stage for rapidly moving an ordinary 3-by-l-inch microscope object-slide about on the stage, so as to bring the desired object quickly into the centre of the field. It is shown at ...p lying on the mahogany base -board in Fig. 821, and in position in Fig. 824. It consists of a narrow brass bar which slides over the fixed stage by means of two roller-wheels on a T-piece carried at one end of the bar, and which roll in a V-shaped groove in one side-edge of the stage, close contact and motion being both obtained by means of a short fluted cylindrical rod terminating in a milled head, resembling a screw in appearance but with flutings instead of a helix, which is carried at the other end of the bar so that the flutings may revolve, with sufficient friction to effect the movement of the whole mechanical stage, in corresponding closely parallel grooves in the other side of the fixed stage ; the fluted rod is pivoted on a short arm pressed inwards by a spring, thus maintaining close contact of flutings and grooves.
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