Selection of jack screws

1900-1914

Box of "Bisco Brand" copper bands

1901-1940

Selection of orthodontic tubing samples

1900-1914

Selection of jackscrews

1900-1914

Traction screw

1900-1914

Selection of Barnes anchor bands in display case by the Blue Island -S pecialty Co.

1905-1914

Cased set of anchor bands with extension screw-posts

1905-1920

Selection of jack screws

1900-1914

Boxed selection of screw wire for making dental crown posts

1900-1914