(Low power from 3 to 8; medium from 5 to 14; high from 7 to 21.) Each eyepiece is provided with a dummy eyepiece which comes opposite to the eye which is not observing and permits of it being kept open.
"I suppose I ought to give the wooden dummy a good start of me," growled Jim.
Why would Yancey have a dummy mail box?
Gabriel began to beat up the dummy again.
The fourth office is that of the deacons, who have to do with 1 " Tulchan," a calf-skin filled with straw, supposed to induce the cow to give milk freely; hence a term of contempt for one who is used as a dummy for the advantage of another.