This section is from the "Elementary Turning" book, by Frank Henry Selden. Also available from Amazon: Elementary Turning.
In this piece the coves and the spaces between them are each 1/2 inch.
The work required in making 1/2-inch coves is the same as given in Lessons 11 and 12 for making the

Fig. 48. Half-inch Cove.
1-inch and the 3/4-inch coves. Because these curves are smaller, you will need to be more careful to make them of correct size and shape.
You should now be able to cut the curves so nicely that there will be no marks left from the point of the skew chisel at the edges of the flat parts. The bottom of each cove should be so smooth that you cannot see the point at which the shavings from each side meet.
 
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