Template:FtGrebleBatterySedgwick
| Empl No |
Caliber Type |
Barrel Length |
Model | Serial No |
Manufacturer | Carriage | Service Dates |
Notes | |
|---|---|---|---|---|---|---|---|---|---|
| A1 | 12" Mortar | 141.125" | M1890MI | 55 | Builders | Mortar, M1896MI, #178, Erie | 1901-1942 | See note 1 | |
| A2 | 12" Mortar | 141.125" | M1890MI | 91 | Watervliet | Mortar, M1896MI, #176, Erie | 1901-1942 | See note 1 | |
| A3 | 12" Mortar | 141.125" | M1890MI | 68 | Watervliet | Mortar, M1896MI, #177, Erie | 1901-1942 | See note 1 | |
| A4 | 12" Mortar | 141.125" | M1890MI | 88 | Watervliet | Mortar, M1896MI, #196, Columbus | 1901-1942 | See note 1 | |
| B1 | 12" Mortar | 141.125" | M1890MI | 97 | Watervliet | Mortar, M1896MI, #180, Erie | 1901-1942 | See note 1 | |
| B2 | 12" Mortar | 141.125" | M1890MI | 69 | Watervliet | Mortar, M1896MI, #181, Erie | 1901-1942 | See note 1 | |
| B3 | 12" Mortar | 141.125" | M1890MI | 66 | Watervliet | Mortar, M1896MI, #182, Erie | 1901-1942 | See note 1 | |
| B4 | 12" Mortar | 141.125" | M1890MI | 99 | Watervliet | Mortar, M1896MI, #179, Erie | 1901-1942 | See note 1 | |
| Source: RCW Form 1, 1 Nov 1927, Coastal Defense Study Group, Berhow, Mark A. ed, American Seacoast Defenses: A Reference Guide, 2nd Edition, CDSG Press, McLean, VA, 2004, ISBN 0-9748167-0-1, pages 140-143,205 Note 1: | |||||||||