I’m trying to remove the ink drum on our No.4 Oldstyle in order to replace the worn bearings with some new plastic ones.  I cannot seem to figure out a way to get the ink drum free in order to get access to the bearings.  I have completely taken out the screws on either side [...]

The rollers on my recently acquired press are in a bad state and I will have to get them re-covered. Any indication as to what kind of hardness of rubber I will have to ask for? Soft, hard, medium? Any advice is welcome.

I have been studying the directions in various posts and articles regarding adjusting the cylinder carriage bearings and was hoping for clarification on a couple points. First, on a Universal III, which bearing set are the impression bearings (x-12216) and which are the trip bearings (x-2688)? It seems that the lower set which ride on [...]

Horace Wardner Hacker (1879–1968) was the founder of the Hacker Manufacturing Co. in Chicago, which made plate gauges, and test presses that featured reciprocating beds with stationary carriages. Hacker held 14 U.S. Patents for various gauges and press mechanisms (and four later patents unrelated to printing). Like R.O. Vandercook, he was a proponent of press [...]