First is a plowshare with SYRACUSE cast into the back along with 32 C-F 62 452 and a D in a circle. On the Front, in red paint is a barely readable:
Best on Earth
The only thing I have found about Syracuse Plowshares is an annual craft fair.
Second is a throttle quadrant, I think, with grey paint on red, possibly primer. It has a number cast into it HG0500612 that I have not found in a Google search.
Third is a double pulley with a helical gear. The pulleys are 3.5 inches in diameter.
I can get better pictures and dimensions if anyone is interested.
I will add a few more items in a second post.