Bukowski's Typewriter

Does anyone have any idea what kind of typewriter Bukowski carried around with him and worked on? I just finished Ham on Rye (finally) and he mentions it quite a bit, just not by specific make or model. I love typewriters and thanks to a financial windfall I'm going to get one for myself for Christmas. Eventually. I'd like it to be the same make and model as Hank's.

Any aid is much appreciated! Thanks.