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COMPENDIUM INCLINATION MEASUREMENT
                                       WYLER AG, WINTERTHUR / SWITZERLAND

                Micrometric Spirit Level             Adjustable Spirit Level
                      No. 53                               No. 52
                   For measuring irregularities of plane sur-  For checking plane and cylindrical
                   faces, measuring range ±5 mm,   surfaces being not absolutely hori-
                                             zontal, with adjusting system.
                   Sensitivities:
                   0.02 mm/m, 0.05 mm/m, 0.10 mm/m,   Sensitivities:
                   4 Arcsec, 10 Arcsec, 20 Arcsec  0.02 mm/m, 0.05 mm/m, 0.10 mm/m


               Magnetic Angle Spirit Level          Universal Angle Spirit Level
                      No. 47                               No. 64
                   For vertical measurements, with strong   With removable tubular level, pris-
                   magnetic adhesion to plane and cylind-  matic measuring base 150 x 40 mm
                   rical surfaces, with plastic vial protec-  for vertical measurements, flat face
                   tion, vial sensitivity 0.3 mm/m.  of the tubular level 150 x 10 mm for
                                             horizontal measurements, vial sen-
                   Sensitivity: 0.3 mm/m     sitivity 0.5 mm/m.
                                             Sensitivity: 0.5 mm/m


                 Horizontal Spirit Level               Tabular Spirit Level
                      No. 69                               No. 59
                   Available with flat or prismatic base.  With flat measuring base
                                             Option No. 59 A:
                   Sensitivities:            length 80  and 150 mm are also
                   0.30 mm/m, 1.0 mm/m       available with 2 holes to screw on.
                                             Sensitivities:
                                             0.05 mm/m, 0.10 mm/m, 0.30 mm/m,
                                             1.0 mm/m


                 Screw-on Spirit Level                 Cross Spirit Level
                      No. 66                               No. 78
                    For machines, apparatus and other   To screw on, for machines, appara-
                    technical applications.  tus, etc.
                    Sensitivities:           Sensitivities:
                    0.10 mm/m, 0.30 mm/m,1.0 mm/m,   0.02 mm/m, 0.04 mm/m, 0.05 mm/m,
                    2.0 mm/m, 2-5 mm/m       0.10 mm/m, 0.30 mm/m


                   Cross Spirit Level                 Circular Spirit Level
                      No. 76                            Nos. 72 / 73 / 74
                   With two perpendicular vials, to screw   For fitting on to machines, appara-
                   on, for machines, apparatus, etc.  tus, etc.
                   Sensitivities:            Sensitivities: various
                   0.30 mm/m, 1.0 mm/m, 2-5 mm/m




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