Many old pieces of printing and typecasting equipment recommend (amongst other products) Mobil Vactra for lubricating some of the sliding surfaces. Locations like journal bearings (where a shaft rotates in a round smooth hole) retain their oil by surface tension.…
Category: Useful gadgets and ideas
A product possibly useful to papermakers
I was in the local Costco today and I spotted this chopping block: It is a 2″ (2cm) thick end-grain chopping block. People who do their own fibre processing may find this useful for cutting or hand-beating plant fibres. I…
Making Cement Board
One choice for exterior siding on a building is cement board, which is made from a mix mostly of cement, sand, and fibre. The fibre toughens the board to give it tensile strength and resist cracking. Originally, the fibre used…
A Useful Online Glossary of Papermaking Chemistry
I have stumbled across this web site a few times, and I’m finally getting around to posting about it. The site is a glossary of terms relating to what is referred to in the industry as “wet-end chemistry” and covers…
Quick Roller Diameter Gauge
In letterpress printing it is often necessary to check the diameter of various rollers in the press. In general the rollers that transfer ink eventually to the forme have to be of a consistent diameter so that the ink is…
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