 |
 |
 |
 |
 |
 |
 |
 |
| A flat, brass key-like object pierced at one end (length 1.4 in.) may prove to be an identification tag for a surveying chain. Surveying chains typically consisted of steel links 1ft. in length. Each fifth, sixty, or tenth link was marked with a pin or tag held in place by a small steel link. |
; void 0)
; void 0)