If the "84" refers to a specific problem set or diagram, consider buying a modern reprint of Gerling’s "Fachkunde Metall" (Metalworking Technology), which contains 90% of the same content reorganized.
The persistent search for is more than a nostalgia trip. It is a signal that the maker movement, DIY machinists, and young engineers are hungry for fundamental knowledge. In a world of black-box machinery, Gerling offers transparency. About Machine Tools By Heinrich Gerling Pdf 84