
1) Machine tool builder
Found on
https://www.crosswordclues.com/clue/holtzapffel

Holtzapffel & Co. was a tool and lathe making company in London, founded by German immigrant, John Jacob Holtzapffel in 1793. The firm specialized in lathes for ornamental turning, something that was a popular leisure occupation for gentlemen at that time. Many ornamental lathes were bought by the aristocracy, and those made by Holtzapffel & Co. w...
Found on
http://en.wikipedia.org/wiki/Holtzapffel
No exact match found.