Steamboats. PRESERVATIVE COMPOSITION FOR THE BOTTOMS OF IRON SHIPS AND STEAMBOATS
Year: 1885

page_text: Steamboats.
I HENRY JOSEPH TRULL FORD of 50 Plassey Street Penarth Cardiff in the
County of Glamorganshire Foreman Painter do hereby declare the nature of my '
invention for PRESERVATIVE COMPOSITION FOR THE BOTTOMS OF IRON SHIPS AND
STEAMBOATS to be as follows:-
I prepare of the following ingredients and in the proportions named first, a
coating (No 1) which is applied first, made up of Coal tar, American resin and
red oxide of iron in equal parts melted up together; then mixed while warm with
one part petroleum oil and three parts mineral naptha. To this when cold is added
enough rectified bisulphide of carbon to envelope the whole which causes it to dry
quickly also a little lime which has been slaked by the atmosphere, and copal tar
in the proportion of half a gallon to the hundred-weight of the composition. This
is very easily applied in the usual way after being well stirred up. It dries in
about three hours and is of a dark brown colour.
A second coating (No 2) which is applied after the first has dried is composed of
red lead, red oxide of iron, coal tar and Americau resin in equal proportions melted*
up together and mixed with two parts of petroleum oil and two parts mineral naptha.
Enough rectified bisulphide of carbon is added to make it dry also powdered white
arsenic in the proportion of two pounds to one hundred-weight of the composition.
This is for destroying marine animalcule. This second coating is thick like a paste.
and must be applied cold. It spreads with a brush very freely dries nearly flat and
is of a more red colour than the first coating to form when applied a contrast in
colour.

page_text: I HENRY JOSEPH TRULL FORD of 50 Plassey St. Penarth, Cardiff in the County
of Glamorgan Foreman Painter do hereby declare the nature of my.invention for
PRESERVATIVE COMPOSITION FOR THE BOTTOMS OF IRON SHIPS & STEAMBOATS
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
I prepare of the following ingredients and in the proportions named, first a
coating No 1. This coating is applied first and is made up of Coal Tar American
resin and red oxide of iron of equal parts melted together, then mixed while warm
with one part petroleum oil and three parts mineral naphtha, also when cold is
added enough Bisulphide of Carbon (rectified) to envelope the whole causing it to
dry quickly and enough air slaked lime to give it a good body, and copal tar in the
proportion of half a gallon to the hundredweight. This is of a dark brown colour
very easily applied without skilled labour and it dries in about one hour after
application. No II or second coating which is applied after the first has dried is
preferably made of Red Lead; Red Oxide of Iron, Coal Tar, American Resin, in
equal parts melted together as No I receipt and mixed with two parts petroleum
oil, two parts mineral naphtha, and enough Bisulphide of Carbon to envelope same,
also is added four pounds of white powdered arsenic to every hundredweight of the
composition to destroy animalculae. This coat exfoliates, causing any marine
growth that might adhere through the ship not being in motion at any time to fall
off while sailing through the water. This coat is very easily applied, dries in two
hours, colour dark red a few shades brighter than No I or I use for the second
coating (No II) a composition made as follows:-Bright red oxide of iron ground
up with one part Stockholm Tar, three parts pine Varnish to a thick paste, then
is added one part American resin melted and kept in a liquefied state by adding
mineral naphtha while cooling, then the whole is thinned down with Methylated
spirits containing 3 lbs of garnet Shellac dissolved in each gallon of spirit. Then
is added to every hundredweight of the above ingredients 2-lbs of white powdered
Arsenic and 2 lbs of mercuric oxide to kill marine growth. This composition dries
immediately after application and under water, is very easily applied, colour
bright red.
Having now particularly described and ascertained the nature of my said.
Invention, and in what manner the same is to be performed, I declare that
what I claim is
(1) A Composition or series of Compositions as described substantially as set
forth.