9-inch mortar at USNA is one of only three known of this model

[cannonmn]

This Spanish 9-inch siege mortar is one of only three I know of, of this particular model.  Another is in the center of the "Hudson River Chain" monument at West Point, and another is privately owned.  The mortar is USNA Monument Survey Facility No. 716.  It is presently displayed on the southeast side of the USNA chapel.   The photos I took in 1986 show a smoother, shinier surface with somewhat more legible engraving, so it has degraded noticeably over the past 22 years.  You can clearly see the copper stains left on the concrete by the dissolving bronze.

http://s17.photobucket.com/albums/b62/cannonmn/miscforumsetc/forums17/?action=view&current=260a61fb.pbw

[Terry C.]

Nice photos, but your gallery says "10 inch" mortar.

[cannonmn]

You are correct, jes' checkiing to see if you were awake!  The Spanish designation is 9-inch, but the confusion even got to Sidney Brinckerhoff when he co-authored SPANISH MILITARY WEAPONS IN COLONIAL AMERICA 1700-1821.  I'll go back and change it now that you passed my test!