The act of congress, approved the 29th July, 1850, entitled an act to provide for recording the conveyances of vessels and for other purposes, enacts that no bill of sale, moortgage, hypothecation or conveyance of any vessel, or part of any vessel of the United States, shall be valid against any person, other than the grantor
or mortgagor, his heirs and devisees, and persons having actual notice
thereof, unless such, bill of sale, mortgage, hypothecation or conveyance be recorded in the office of the collector of the customs
, where such vessel is registered or enrolled. Provided, that the lien
by bottomry on any vessel, created during her voyage
, by a loan of money or materials necessary to repair or enable such vessel to prosecute a voyage, shall not lose its priority
or be in any way affected by the provisions of the act. See. 2 enacts, that the collectors of the customs shall record all such bills of sale, mortgages, hypothecations or conveyances, and also all certificates for discharging and cancelling any such conveyances, in a book or books to be kept for that
purpose, in the order of their reception; noting in said book or books, and also on the bill of sale, mortgage, hypothecation or conveyance, the time when the same was received; and shall certify on the bill of sale, mortgage, hypothecation or conveyance, or certificate of discharge or cancellation, the number of the book and page where recorded and shall receive, for so recording such instrument of conveyance or certificate of discharge, fifty cents. Sec. 3 enacts, that the collectors of the customs shall keep an index of such records, inserting alphabetically the names of the vendor or mortgagor, and of the vendee
, and shall permit said index and books of 'records to be inspected during office hours
, under such reasonable regulations as they may establish and shall, when required, furnish to any person a certificate setting forth the names of the owners of any vessel registered or enrolled, the parts or proportions owned by each, if inserted in the register or enrollment, and also the material facts of any existing bill of sale, mortgage, hypothecation, or other incumbrance
upon such vessel, recorded since the issuing of the last register or enrollment; viz.
the date, amount of such incumbrance, and from and to whom or in whose favor made. The collector
shall receive for each such certificate one dollar
. Sec. 4. By this section it is enacted, that the collectors of the customs shall furnish certified copies of such records, on the receipt of fifty cents for each bill of sale, mortgage, or other conveyance. Sect
. 5. This section provides that the owner or agent of the owner of any vessel of the United States, applying to a collector of the customs for a register or enrollment of a vessel, shall, in addition to the oath now prescribed by law, set forth, in the oath of ownership, the part or proportion of such vessel belonging to each owner, and the same shall be inserted in the register of enrollment; and that all bills of sale of vessels registered or enrolled shall set forth the part of the vessel owned by each person selling, and the part conveyed to each person purchasing.