Two vintage bread pans from Nancy’s collection:

Two-Piece, smooth pan, the other side slips together with tabs and slots:

Hinged, ridged pan with viewing windows:

Check the rise of your dough by peeping through those windows:

The ridged pan, open at the hinge:

Freshly-baked bread cooling in the ridged pan:

Bread baked in the ridged pan:

Courtesy Nancy Curtis