Page 107 - Turner 1st sem Practicals

If the angle includes minutes, and is greater Before the gauges are wrung together the faces should be
than 40 minutes, increase the angle by 1° and wiped clean using soft muslin cloth or chamois leather.
subtract the number of minutes necessary to The wringing of the angle gauges should be carried as
obtain the required minute. shown in Fig 4.

This is because the total minutes available with the pieces
in the series is 40' only.

To obtain 46' the build up will be as shown in Fig 3.

After use, clean the gauges thoroughly with a
soft cloth and white spirit.
Handling and wringing
Apply vaseline lightly and store the gauges in
Gloves of cotton fabric or chamois leather must be worn to a box.
prevent corrosion.

94 Producltion & Manufacturing : Turner - Exercise 1.3.30