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COMPENDIUM INCLINATION MEASUREMENT
                                       WYLER AG, WINTERTHUR / SWITZERLAND

          5.3   CLINOMETER


                     Clinometer                      Frame Angle Spirit Level
                      Nr. 80                               No. 79
                     Instrument for measuring angular de-  With fine setting device, two flat
                     viation accurately, with circular scale   bases and two prismatic bases,
                     2 x 180 deg., with finely ground pris-  with circular scale, division of 2 x
                     matic base of hardened steel for   180 deg.,
                     measuring on shafts and flat sur-  vernier for reading at 3 Arcmin.
                     faces, with micrometer graduated
                     1 Div. = 1 Arcmin,      Vial sensitivity: 0.3 mm/m
                     Vial sensitivity:
                     0.3 mm/m (1 Arcmin)


                    CLINORAPID                        Protractor spirit level
                      Nr. 45                               No. 62
                     As soon as the pendulum disc sup-  For checking any inclination,
                     ported by ball bearings and equipped   division of 2 x 180 deg. wit-
                     with magnetic damping is released,   hout vernier, prismatic cast iron
                     it aligns to the gravity. The inclinati-  base.
                     on can be read on the large circular
                     scale (±180 deg.) against a 10 min.   Vial sensitivity: 2 mm/m
                     vernier. The reading is retained until
                     next release. Measuring base with
                     V-section made of hardened steel,
                     precisely ground.




          5.4   COMMUNICATING WATER LEVEL 77


               Communicating Water Level
                      No. 77
                     Based on the law of communicating
                     vessels, for measuring two or more
                     distant points not being in direct in-
                     terconnection to each other, with
                     wooden box. Depth micrometer fee-
                     ler with needle available as accessory.
                     Dimensions:
                     H (total)   =  250 mm
                     Ø of base =  100 mm









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