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Wild T1 Theodolite Manual Wild T1 Theodolite Manual Wild T1 Theodolite Manual T1 Micrometer Theodolite (model 70): 1973 - 1996 The Wild T1 is a Double Centre Theodolite with two independend cylindrical axes and they where produced between 1933 and 1996 in mainly four versions as shown abouve. Page 4/23 Acces PDF Wild T1 Theodolite Manual. The T1A would be followed by the T1A-E - 'E' for the 'Erect' field of view - in 1959. It would become the first Wild theodolite - and perhaps the first theodolite at all - to feature an automatic compensator for the vertical circle. In contrast to the other Wild theodolites produced so far, the Wild T1 was a true repetition theodolite like the.
Diese Seite gibt ihnen einen Überblick über all die Theodolite produziert von Wild Heerbrugg über all die Jahre. Dieser Link führt Sie zu den Technischen Daten der optischen Theodolite Verwenden Sie diesen Link zu Wild Theodolite und Zubehör | This page will give you a overview over all the theodolites produced from Wild Heerbrugg over all the years. Use this link to see the Technical data of the WILD optical theodolites Use this link to see the page with the WILD THEODOLITES AND ACCESSORIES FOR EVERY SURVEY TASK with Technical data of the WILD theodolite from 1965 Use this link to read a article about the changes from the first T2 to the Leica TCA2003 from Hugh BaertleinInside the Leica TCA2003 Note: not all data have been recorded, so some of the years are only estimated. This list is definitively not complete, but I will do my best to hold it updated. |
(internal designation) from till
Wild T0 Compass Thoeodolite T0 1932 - 1972 T0 (var) 1973 - 1978 T0 (neu) 1979 - 1990 |
Accessories which can be attached to the TO include a telescope level, the Wild Objective Pentaprism, the Wild - Roelofs Solar Prism and an eyepiece sunglass for sighting bright objects.
Wild T1 Double Centre Theodolite T1 1933 - 1938 NT1 1938 - 1956 T1AE 1959 - 1969 T101A 1965 - 1965 T101AE 1965 - 1966 T1 (70) / T1 (var) 1973 - 1996 |
After the usual initial leveling-up, using the footscrews and plate level, the T1A is ready for vertical angles to be measured, there being no index level to center. The simple automatic vertical index, which replaces the usual level, thus makes vertical circle reading an easy matter and, as there are no mechanical parts, the liquid compensator has nothing to wear out-and nothing to maintain.
Each circle is read with the aid of an optical micrometer whose drum is cc).graduated to 20” (or 1c), with estimation made easily to 5” (or 10cc). Having two independent cylindrical vertical axes and two horizontal clamps (one each for the lower and upper plate and shaped differently to avoid confusion) the T1A allows the repetition method to be used for observing.
The T1A-E is identical to the T1A, except that its telescope provides an upright image - a feature often appreciated by users unaccustomed to working with an image that is reversed both laterally and vertically.
As the T1A (and T1A-E) can be removed from the tribrach without disturbing the centering, the famous Wild traversing equipment can be used with this theodolite, together with the full range of accessories, which is tabulated later.
Wild T16 Tacheometer Thoeodolite T16The T160 is a normal TI6 theodolite without the vertical circle unit. If the user is certain that his survey tasks will never require the measurement of vertical angles this model will be of economic advantage to him. The detachable tribrach ensures that the T16 can be used with all Wild traversing equipment and, of course, the normal accessories and attachments all provide additional uses and accuracies for the instrument.
The well-known Wild T2 Universal Theodolite is ideally suited for almost every type of survey task. In addition to its high accuracy, with direct reading, to single seconds, it is simple to handle, has a well-illuminated optical and reading system and can be used with a large variety of accessories and attachments. The optics are sufficiently good to allow observing to normal targets up to 12 miles (20 km) away and, under favorable conditions, for pointing to the Pole Star to be made in the late afternoon. Circle readings, are made through one eyepiece, an inverter knob bringing the required circle image into the field of view. Coincidence setting provides a direct meaning of the two diametrically-opposite circle positions. The single second graduations and the general quality of the T2, with its all steel construction offering addition-al stability, make it a real 'Universal' theodolite widely used for triangulations up to 3rd arid even 2nd order limits, precise traversing, subtense measurements, astronomical observations, tacheometry, engineering work of all types, cadastral lay-outs, staking-out straights and curves, mining surveys and special industrial purposes, for which the special inter- changeable GOA autocollimation eyepiece is most useful. The T2-E is identical to the T2, apart from the upright telescope image and the T210 is another Variation of the instrument which, in this ease, has no vertical circle, being used for tasks where the T2's accuracy is required but without vertical angles. All models of the T2 are made so that the instrument can be removed from its tribrach and replaced by a target or subtense bar, without disturbing the centering. lf required, a special tribrach without built-in optical plummet, is available and another special tribrach fitted with a ball-centering device enables the T2 to be set up on an observation pillar in an embedded centering socket (a pillar bolt).
The Wild T3 Precision Theodolite is simple to use and, in fact, is similar to the T2 both in looks and operation. It is, however, larger and has even more accurate circles. Originally designed for 1st and 2nd order triangulations it is now becoming equally popular for the high precision measurements required &n such fields as dam Deformation surveys, industrial installations and machine tooling. For these last-named functions the T3A auto-collimation model is normally used, although it is possible to fit a standard T3 with a special autocollimation eyepiece unit (24 x magnification), interchangeable with the normal telescope eyepiece. The T3's steel construction gives it exceptional stability under all conditions, which provides an additional reason for its general acceptance as the perfect instrument for precision measurements. Although not equipped with a detachable tribrach the T3 has various possibilities for forced-centering, such as a ball centering device for pillar set-ups and a removable bayonet base allowing the theodolite to be used in conjunction with a special T3 - T2 combination locking bayonet base, which takes the T3, the T2 and all items of T2 traverse equipment. In addition it has its own range of accessories such as eyepiece prisms for steep sights, an astrolabe prism and other items intended for use on dam deformation work.
The Wild T4 Universal Instrumentis the largest of the Wild range of theodolites and is used for geodetic triangulation, astronomical observations and-geographical position determinations. Its broken telescope (with 65x magnification) allows comfortable sighting to the zenith. Circle readings are made with an optical micrometer and by coincidence setting of diametrically opposite graduations. The horizontal circle is read directly to 0.1” and the vertical circle is .0.2”. Accessories of equally high precision are also available for use with the T4, such as a chronograph, a chronometer and a time signal receiver. The Wild RDH Double Image Tacheometeris used with a special horizontal staff and provides very accurate tacheometric measurements. Based on the popular TI6 theodolite, with the same scale reading system, the RDH has a double image telescope which enables a direct horizontal distance reading and a direct difference in elevation to be obtained with a single pointing to the staff.
The Wild RDS Self-Reducing Tacheometer gives a direct horizontal distance reading and a height difference involving no tables and only a simple mental multiplication. Based on the TI6 theodolite, the RDS is used with a vertical staff and the normal stadia lines are replaced by very flat curves. When the special RDS staff is used, its zero mark is set to the same height as the tilting axis of the instrument, thus making calculations even easier. The RDS can be used as an ordinary theodolite, with the normal TI6 reading accuracies.
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