Keywords: Cannon at Saltonstall Plaza - Watertown, MA - DSC03911.JPG en Cannon at Saltonstall Plaza - Watertown Massachusetts USA Described online as follows 32 pounder Navy guns of 57 hundredweight They were made by Cyrus Alger and Co in South Boston MA in 1849 The inspector was AAH most probably Alexander Harwood a naval officer There is no apparent record of ship service history on the pair They are registered under numbers 520 and 521 respectively 2013-08-10 10 57 08 own Daderot cc-zero Saltonstall Plaza Uploaded with UploadWizard Cyrus Alger Naval cannons |