Paper Making
A good book is The History and Technique of an Ancient Craft by David Hunter.
Rag Room – old rags are ripped apart
Cutter and Duster – the rags are cut and dust is removed
Bleach Boiler – bleach is added to remove colors
Cutter and Duster number 2 – rags are cut again
Beater
Jordan
Paper Machine – the Fourdrinier makes the rags into paper
Drying Drums – the paper is ready but now dries
Sizing – the paper is filled with many chemical to give it bulk:
tub sized – mixture added to the surface of paper
animal sized – made from animal fat
engine sized – mixture added to the inside layer of paper
Loft or Final Drying – drying again
Calendering – the paper is squeezed into many thicknesses
Sorting/Counting/Packing – and sent to you