Extra Wide 11 degree Mayflower 7x35 Binoculars 578 ft at 1000 yds | eBay
U.S. President Calvin Coolidge uses binoculars while on the bridge of the Presidential yacht "Mayflower" on cruise to Quincy, Mass, July 16, 1925. Oficer on left is unidentified. (AP Photo Stock Photo - Alamy
At Auction: 1960's MAYFLOWER BINOCULARS NO. 11132 WITH CASE