I'm not saying it isn't, but what has you thinking that the long thing is automotive related? Although most have the hose coming from the base, with the hose barbs and plunger, it looks like one of those slim bicycle tire pumps, but I really don't have a clue.
Thanks for the nice comments guys. Bob its a smooth base and its actually a mix of lead, brass, and copper. It really adds up so I take it and scrap it when I have enough to pay for my addiction, ahem I mean my hobby ; ) The lobster guys use bricks to weigh their traps down. Canadian I was dumbfounded pulling this ceramic bottle from the mud I think I was saying what in the a** is this when I got it out. Sandchip I dont know what it is, in the close up it says "Auto Sands Lightning" so I figured auto = automobile?
It usually takes me a while to properly relearn how to post pictures so here are some more from recent fresh and salt water dives,
I've been popping in here from time to time for years. Nice to still see some of the same members posting. coldwater diver, you sure recover some nice stuff! Great variety of types and ages up there in your part of the country.
Given the amount of metal and how dark it gets with age, I'm guessing you use a metal detector underwater--would I be correct?
That striped jar is beautiful! I wonder what it was used for. Some sort of shaker maybe?
And I agree with Geeman, part of a gas lighting set up seems like a good bet. I suspect that "auto" stands for automatic, not automotive.