No. 4137 NAGUK

For levelling of higher accuracy, for engineer’s-, railway-, hydraulic-, road- and industrial measurements, as well as mine surveying. Tilting screw of high precision, clamping screw and adjustable slow motion screw. Telescope with bright optics (aperture 40 mm) and high magnification (30x), tubular level reading by optical coincidence in field of view. Mean error per km according to DIN 18723: +/- 2 mm.

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Engineer’s level NAKRE: as above, but with horizontal glass circle and scale reading microscope. Graduation 1°/1g, direct reading 10’/10c, estimation 1’/2c. Engineer’s leve No. 4143 NAKRE Wooden extending leg tripod, Length: 1,09-1,77 m, Weight: 5 kg No. 4000 STAHO