The diaphragm, which should be of thin ferrotype tin, should be soldered to the box.
2
I put one on a piece of ferrotype plate, and that gave really the best result I ever got.
3
She looked round for Newberry, and saw that the black powder from the ferrotype camera already dusted his hands.
4
I tried putting in a large number of these tubes, all in quantity, on the bottom of a ferrotype plate, but with no advantage.
5
The diaphragm C, which is the essential part of the instrument, should be made as carefully as possible from ferrotype tin, commonly called tintype tin.
6
The diaphragm, B, which is the essential part of the instrument, should be made as carefully as possible from ferrotype tin, commonly called tintype tin.