This patent drawing poster showcases the intricate beer brewing process designed by O. & O. B. Zwietusch. Highlighting No. 490,056 and patented on Jan. 17, 1893, it details the equipment and method used in brewing. Available in various colours.
Printed on uncoated 230g paper.
Does not include frame or hanger.
Colours may differ slightly from those shown on photo due to differences in monitor settings.