Lot 391:
Sold for: £14
Description
A collection of professional land surveying equipment and field accessories. This lot features two yellow Topcon tilting prism assemblies, each mounted on a tribrach with a three-screw levelling base and an integrated circular bubble level. One assembly is fitted with a black and white sighting target. The prisms are housed in two fitted orange hard-plastic carrying cases with foam inserts. A label on one prism base is marked Topcon 31090 Made in Japan. The set also includes three heavy-duty surveying tripods: two constructed from aluminium with orange fittings and one from yellow-painted wood with orange metal components. All tripods feature telescopic legs and pointed metal shoes. Further equipment includes two telescopic E-pattern metric levelling staffs, one in a red fabric sleeve, and a red and white telescopic prism pole. A blue plastic Accuracy branded folding road measuring wheel with a mechanical counter is included in a black fabric carrying bag. The lot is completed by a yellow portable halogen style work light mounted on a yellow telescopic tripod stand with a coiled power cable.
Condition report:
The equipment shows signs of significant professional field use. The three tripods and the prism pole exhibit heavy paint loss, scuffing, and ingrained dirt, particularly towards the metal feet and lower leg sections (photos 1 and 5). The levelling staffs show surface wear and light scratching to the printed metric scales (photo 5). The Topcon prisms and tribrachs appear optically and mechanically intact, though they are covered in surface dust and grime; the orange carrying cases have external scuffs and surface dirt (photos 2 and 3). The measuring wheel shows typical signs of outdoor use to the wheel rim (photo 4). The work light housing has oxidation and surface corrosion on the adjustable metal bracket (photo 5). All telescopic locking mechanisms and mechanical adjustments are untested for calibration or precision.
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