AstronomyDetermination of time, longitude, latitude, and azimuth . TRANSIT MICROMETER. No. TRANSIT MICROMETER. DETERMINATION OF TIME. 11 of these adjustments will disturb the rather delicate relations between the zero of the transitwire, the contact breaks upon the micrometer head, and the worm wheel with its electric cut-outattachment. As indicated in the description of the ebonite head with its five platinum contact strips,the instrument itself is used as part of the electric conductor forming the transit circuit. Therelay of 20 ohms resistance converts the makes of the transit circuit i
AstronomyDetermination of time, longitude, latitude, and azimuth . TRANSIT MICROMETER. No. TRANSIT MICROMETER. DETERMINATION OF TIME. 11 of these adjustments will disturb the rather delicate relations between the zero of the transitwire, the contact breaks upon the micrometer head, and the worm wheel with its electric cut-outattachment. As indicated in the description of the ebonite head with its five platinum contact strips,the instrument itself is used as part of the electric conductor forming the transit circuit. Therelay of 20 ohms resistance converts the makes of the transit circuit into breaks in the chrono-graph circuit. From the contact spring, b, through wire, m, connection is made with an insu-lated binding post at the eye end of the telescope tube, from which a wire leads along the tele-scope to and into the telescope axis and within the latter to an insulated metal cylinder pro-jecting from the transit pivot. Each of the wye bearings of the transit has fastened to it aninsulated contact spring, which, being connected with an insulated binding post at the foot of
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Keywords: ., bookauthoruscoasta, bookcentury1900, bookdecade1910, bookyear1913
