I own a Harbor Freight "mill/drill" that serves me quite well.

I also own an Atlas (Craftsman) lathe that I am in the middle of restoring.

I heartily recommend the You Tube videos by "tubalcain".

Here is a collection of links to online resources.

Here is a recommended (but occasionally debated) method of lathe alignment: Rollies Dads method of lathe alignment

Here is a tutorial on your first time cutting threads.

Here are some instructions on drill sharpening

Here is some information on cutting speeds and feed rates.

Here is a fraction to decimal equivalents chart I generated.

Here is some information on end mills.

Here are some online places to buy machining supplies:

• ENCO (Fernley, NV)
• MSC Industrial Supply
• Sherline Products

Some recommended books:

• Tabletop Machining by Joe Martin, 1998
• Machine Tool Practices by Richard Kibbe (Wiley)
• Milling Machine Operations by Richard Kibbe (Wiley)
• Locks and Locksmithing by Bill Phillips