Can we Date a weight ???

[MaineRelic]

Found this today and was curious if we can figure out the age of this sinker / net weight I am going to start researching but any help would be greatly appreciated Thanks For looking MaineRelic

 

[traderoftreasures]

whats it made of?

 

[steelheadwill]

I find a lot of old weights and jigs,
got exact photos & techniques of manufacture here, http://www.photolib.noaa.gov/bigs/figb0070.jpg
the photo archives can be browsed /seached here http://www.photolib.noaa.gov
literally millions of files, hope this helps! Herbie
below is the result of a short search of a ballast pile from 19th cent fishing boat

 

[SgtJim]

Looks like an old shotgun slug that was fired hit somthing found and made into a sinker. The largest musket balls I know of were .76 cal 3/4 of an inch in diameter thats about the same size as the penny. This was made from a larger piece of lead.
Jim