✅ SOLVED Found at Railroad Station Site

[ANTIQUARIAN]

This piece is made of brass and is approx. 2" x 2" in diameter. Any thoughts on what its use was for?

My hunting partner 'pepperj' thought it might have been a decorative tread support for stairs?

Thanks,
Dave

PS. Sorry guys, let me clarify... I'm looking to ID the unusual triangular shaped piece pictured in the close-up.
I know what the other two pieces were used for.
Thx.

 

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[Ant]

My guesses are that the round item is part of the mechanism that actives the internal parts in a old door lock, the item with the crown cut out looks like a strike plate or could be a keyhole to a lock, the other item might be an old heart shaped lock keyhole cover.

 

[jwarner51]

That round thing I have found an identical one at a railroad site as well. Wonder what they are

 

[lockster99]

The rectangular item is definitely a key hole drop from an old padlock. Probably from the style of lock used by RRs quite often.

 

[longcut]

wonder if the triangle piece could be a sash lift ?? https://www.google.com/search?q=vin...%2Fshop%2Fcategory.aspx%3Fcatid%3D131;200;172

 

[ANTIQUARIAN]

wonder if the triangle piece could be a sash lift ?? https://www.google.com/search?q=vin...%2Fshop%2Fcategory.aspx%3Fcatid%3D131;200;172

I think you might be right there longcut!

A window sash lifter would certainly make sense!

Thank you,
Dave