Never found anything like this before

[dixieammo]

Have a couple old Purex bottles like that and some old Pepsi bottles

 

[Tomthumb]

Your piece of mower may appear to be cast iron but it is really cast steel. Pretty tough stuff because of the job it has to do. Hold all the end of the mower together and knife through the hay/weeds.

 

[BIKER13]

Find the privy,lots of stuff there.Look for ditches thats where the trash was usually thrown out at.