Book binding is the process of physically assembling a book from a number of folded or unfolded pages,…
The flat glue brush is used to apply glue. It is a flat metal bound brush with a chiseled edge.
The round glue brush is used to apply glue. It is metal bound, flat, and has a chiseled edge.
This illustration shows a cross mill and the sieves used to crush and filter bones in glue manufacturing.
This illustration shows a frame with cutting wires, and a machine capable of cutting 20,000 glue cakes…
This illustration shows a drying frame and drying rack used in glue manufacturing.
This illustration shows two glue cakes after the glue manufacturing process. The top image is a french…
This illustration shows liquid run into molds to cool into jelly in the glue manufacturing process.
This illustration shows the old method of boiling glue in a rope bag, then squeezed dry against a beam.
This illustration shows liquid in glue manufacturing being carried on rollers, cooled with cold water,…
This illustration shows a vacuum boiler in which liquid to become glue is boiled by steam, as well as…
This illustration shows a wash box used for removing lime from materials used in glue manufacturing.