Complete Catalogue of Electrical Measuring and Test Instruments Manufactured by Hartmann and Braun (Classic Reprint) - Softcover

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Excerpt from Complete Catalogue of Electrical Measuring and Test Instruments Manufactured by Hartmann and Braun

Large Size Telescopes, fully mounted, in Well designed massive framework; absolutely without iron. Telescope with powerful objective, Steinheil eye-piece, rack and pinion adjustment to do, which is available down to 1 metre distance from the object; vertical and horizontal micro meter adjustments. Angle of elevation 50 - 600, Scale holder for use with wood or glass scales, adjustable for height and fitted with swivel arrangement for use with upright scale.

To facilitate accurate adjustment on to the mirror, the upper part of the instrument is adjustable by means of rack and pinion for 60 - 75 mm from the tripod base, which is fitted with levelling screws.

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