Comes from a very exclusive research laboratory in Basel, Switzerland. Heavy and solid optical instrument a so-called Autocollimator, this is a very pure and exact angle meter. Brand is: ‘Hilger & Watts’ from England. A very renowned company, also known for their theodolite instruments. According to the labels that are in the case, the type number is: TA-51 and TA-54. The latter is probably for the heavy foot that comes with it. Equipped with lighting, functioning of the lighting is unknown. This instrument cost an awful lot of money at the time. Definitely a great item for the collector or connoisseur. Complete with various accessories. Including key, lens caps, spare bulb, wooden storage case. For further details, please take a careful look at all photos, this is how you will receive the lot. Scratches, dents, damage etc. etc. all visible in the photos. All details have been photographed. No guarantee on the operation, since I cannot test this. This lot will be carefully packaged and shipped with insurance. The dimensions are: 51 x 19 x 28.5 cm. The weight is: 12.20 kg!!