Maybe something for brewing/distilling ? It looks like a gravy thing but my instinct is that the covered spout is overkill for gravy. That cover presumably keeps something from falling out when the piece is tipped past 45 degrees. Maybe feeding animals?
Yes, that was presumptive. The item I pictured was made by S. Noton Metalworks. I don't have (and can't find) one of their catalogues to see what it was originally sold as, but this is what one of their advertisements says about the things they supplied: