Photo by DLBarker, 2025
| Designation: | 15in Rodman Gun |
| Model: | 15in Rodman, sleeved |
| Identification No: | Seyfert McManus 6: US |
| Designed by: | Rodman, Thomas Jackson |
| Built at: | Seyfert, McManus and Co |
| Reading, Pennsylvania, USA | |
| Year : | 1864 |
| Inspector: | Morris Schaff (MS) 1864, 65 |
| foundry no.: | 191 |
| weight: | 49,612 lbs |
| Item Category: | Artillery, Black Powder, Iron |
| Memorial Information | |
| Owner: | US Government |
| Comments: | At grave of Thomas J Rodman |
| Current Status: | Static Display | |
| Access: | Restricted entry | |
| Location: | Rock Island National Cemetery | |
| Rock Island Arsenal | ||
| Rock Island, Illinois, USA | ||
| Lat/Long | 41.512434-90.522212 | Click here to see location in Google Maps |
Reference Documents / websites: |
| The Big Guns: pg 265: C166, 13 |
| Click here to see our reference list |
Last update to record: 2025-12-01