Pointing out where upper and lower-case screw stop adjusters are on the 1930 portable; how they help align the typing on page. also showing segment felt strip replacement, and replacement rubber feet for case bottom (fixing with parts from hardware store plumbing isle/ auto store).
website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.