Ayars Machine Co.

Salem, NJ (The Railroad, Telegraph, Electric and Steamship Builders' Buyers' Guide, 1897)

Founded in 1837 in Greenwich, NJ by Robert and Benjamin Ayers.  Moved to Salem, NJ in 1873.  Particularly known for their production of canning machines and techniques.

If you follow this link to the NJ Agricultural Archives and put the name Ayars in the text search, many photos of the men and factory will come up. 

Charles H. Ayars Patents from Google