if it's really conical and you have a good one to use as a model...  my
amateur lost wax metal casting technique might work.

mush the good one into play-doh so that it leaves a void the exact shape
you need.

fill the void with melted wax and let it harden.

take the wax piece and make sure it is the shape you need.

put the wax piece, big end down on waxpaper.

coat it with plaster, several thin coats, drying in-between coats.

turn it over, remove the wax paper and excess plaster but leave some around
the wax plug.

put plaster object with wax in it in the oven, open end down so the wax
melts out.  use low, slow heat.

now you have a plaster mold you can pour the melted lead in.

Edward

On Wed, Apr 27, 2016 at 6:39 AM, William Monk <billmonk@gmail.com> wrote:

> Does anyone have a picture of this piece? Lead is a very soft material to
> work with. Deal with it at work sometimes and use it making sinkers every
> couple years.
>
> Bill M
>
> Sent from my iPhone
>
> > On Apr 26, 2016, at 10:55 PM, Karl Wolz <wolzphoto@Q.COM> wrote:
> >
> > Ken, the latch that keeps the vent closed is held by a screw that
> fastens through a lead piece. It is perhaps a half inch wide and is
> conical. I believe it is lead to absorb impacts and keep the vent from
> shattering.
> >
> > Karl Wolz
> > Sent from my electronic umbilicus
> >
> >> On Apr 26, 2016, at 4:10 PM, kenneth wilford (Van-Again) <
> kenwilfy@COMCAST.NET> wrote:
> >>
> >> scratching
>