SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  SCHEDULE 13D
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                            AERO MARINE ENGINE, INC.
                                (NAME OF ISSUER)

                    COMMON STOCK, PAR VALUE $0.001 PER SHARE
                         (TITLE OF CLASS OF SECURITIES)

                                   00768T 10 8
                                  (CUSIP NUMBER)

                         DAVID M. LOEV, ATTORNEY AT LAW
                               2777 ALLEN PARKWAY
                              HOUSTON, TEXAS 77019
                                 (713) 524-4110
                  (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON
                AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS)

                                  MAY 30, 2003
             (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)

 IF THE FILING PERSON HAS PREVIOUSLY FILED A STATEMENT ON SCHEDULE 13G TO REPORT
  THE ACQUISITION WHICH IS THE SUBJECT OF THIS SCHEDULE 13D, AND IS FILING THIS
  SCHEDULE BECAUSE OF RULE 13D-1(B)(3) OR (4), CHECK THE FOLLOWING BOX.     [ ]


The information required in the remainder of this cover page shall not be deemed
to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934
 ("Act") or otherwise subject to the liabilities of that section of the Act but
              shall be subject to all other provisions of the Act.




|1|     NAMES  OF  REPORTING  PERSONS
        S.S.  OR  I.R.S.  IDENTIFICATION  NO.  OF  ABOVE  PERSON

        Peter  Mergenthaler     075-32-5422

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|2|     CHECK  THE APPROPRIATE BOX IF A MEMBER OF A GROUP *          (a)[ ]
                                                                     (b)[ ]

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|3|     SEC  USE  ONLY

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|4|     SOURCE  OF  FUNDS*
        SC

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|5|     CHECK  BOX  IF  DISCLOSURE  OF  LEGAL  PROCEEDINGS  IS
        REQUIRED  PURSUANT  TO  ITEMS  2(d)  or  2(e)                    [ ]

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|6|     CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
        United  States

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                 |7|  SOLE  VOTING  POWER
NUMBER  OF            6,492,652
SHARES           ---------------------------------------------------------------
BENEFICIALLY     |8|  SHARED  VOTING  POWER
OWNED  BY  EACH       N/A
REPORTING        ---------------------------------------------------------------
PERSON  WITH     |9|  SOLE  DISPOSITIVE  POWER
                      6,492,652

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|10|     SHARED  DISPOSITIVE  POWER
         N/A

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|11|     AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
         6,492,652

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|12|     CHECK  BOX  IF  THE  AGGREGATE  AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES  *          N/A

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|13|     PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
         13.0%

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|14|     TYPE  OF  REPORTING  PERSON  *
         IN

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ITEM  1.  Security  and  Issuer.

Schedule  13D  relates  to  the  Common Stock of Aero Marine Engine, Inc. ("Aero
Marine")  The  principal  executive  offices of Aero Marine are located at 23960
Madison  Street,  Torrance,  CA  90505.



ITEM  2.  Identity  and  Background

(a)-(c)  This  Statement  in  Schedule 13D is being filed by Peter Mergenthaler.
Mr.  Merganthaler's  business  address  is  199 Trade Zone, Ronkonkoma, New York
11779.  Mr.  Mergenthaler  serves  as  the Chief Executive Officer of Perma-Tune
Electronics,  Inc.

(d)-(e)  During  the  last  five  years,  Mr.  Mergenthaler:  (i)  has  not been
convicted  in  a  criminal  proceeding  (excluding traffic violations or similar
misdemeanors);  or  (ii)  was not a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction and as a result of such proceeding
was  or  is  subject  to  a  judgment,  decree  or  final order enjoining future
violations  of,  or  prohibiting  or mandating activities subject to, federal or
state  securities  laws  or  finding  any  violation  with respect to such laws.

(f)  Mr.  Mergenthaler  is  a  citizen  of  the  United  States.

ITEM  3.  Source  of  Amount  of  Funds  or  Other  Compensation

Mr.  Mergenthaler  acquired  2,085,912  shares  of  Common  Stock  of  Princeton
Ventures, Inc. in exchange for 333 shares of common stock of Aero Marine Engine,
Inc. pursuant to an Exchange Agreement dated May 30, 2003 (the "Exchange") which
is incorporated by reference to a Form 8-K of which the Exchange Agreement is an
exhibit.  On  June  17,  2003,  following a 3.1126202:1 forward stock split, Mr.
Mergenthaler  owned  6,492,652  shares  of  Common  Stock.

ITEM  4.  Purpose  of  Transaction

Mr.  Mergenthaler  acquired  the  securities  of  Aero  Marine  Engine, Inc. for
investment  purposes.  Depending  on  general  market  and  economic  conditions
affecting  Aero Marine Engine, Inc. and other relevant factors, Mr. Mergenthaler
may  purchase  additional  securities  of Aero Marine Engine, Inc. or dispose of
some or all of securities form time to time in open market transactions, private
transactions  or  otherwise.

Mr.  Mergenthaler does not have any plans or proposals which relate to or result
in::

(a)     the  acquisition  by  any person of additional securities of Aero Marine
Engine,  Inc.,  or  the  disposition  of securities of Aero Marine Engine, Inc.;

(b)     an  extraordinary  transaction,  such  as  a  merger,  reorganization or
liquidation,  involving  Aero  Marine  Engine,  Inc.;

(c)     a  sale  or transfer of material amount of assets of Aero Marine Engine,
Inc.;

(d)     any  change  in  the  present  board  of directors or management of Aero
Marine  Engine,  Inc.,  including any plans or proposals to change the number of
term  of  directors  or  to  fill  any  existing  vacancies  on  the  board;

(e)     any  material change in the present capitalization or dividend policy of
Aero  Marine  Engine,  Inc.;

(f)     any  other  material  changes  in Aero Marine Engine, Inc.'s business or
corporate  structure;

(g)     changes  in  Aero  Marine  Engine, Inc.'s charter, bylaws or instruments
corresponding  thereto  or  other  actions  which  may impede the acquisition of
control  of  Aero  Marine  Engine,  Inc.  by  any  person;

(h)     causing a class of securities of Aero Marine Engine, Inc. to be delisted
from a national securities exchange or cease to be authorized to be quoted in an
inter-dealer  quotation  system of a registered national securities association;



(i)     a  class  of  equity  securities  of  Aero  Marine Engine, Inc. becoming
eligible  for  termination  of  registration pursuant to Section 12(g)(4) of the
Securities  Exchange  Act  of  1934;  or

(j)     any  action  similar  to  any  of  those  enumerated  above.

ITEM  5.  Interest  in  Securities  of  the  Issuer.

(a)     Mr.  Mergenthaler  beneficially  owns  6,492,652 shares of Common Stock,
$0.001  par  value,  of  Aero  Marine  Engine,  IncThe  shares  of Common Stock
beneficially  owned  by  Mr.  Mergenthaler constitute approximately 13.0% of the
total  number  of shares of Common Stock of Aero Marine Engine, Inc., based upon
49,994,922  shares  of  Common  Stock  outstanding  as  of  June  30,  2003.

(b)     Mr.  Mergenthaler  has the sole power to vote or to direct the vote, and
the  sole  power  to  dispose  or  to  direct  the  disposition  of,  the shares
beneficially  owned  by  Mr.  Mergenthaler.

(c)     Mr.  Mergenthaler  acquired  the  Common  Stock  as  a  result  of  the
transactions  discussed  in  ITEM  3,  above.

(d)     No  other  person  has  the  right to receive or the power to direct the
receipt  of  dividends  from  or  the  proceeds  from the sale of the securities
directly  owned  by  Mr.  Mergenthaler.

(e)     Not  applicable.

ITEM  6. Contracts, Arrangements, Understanding or Relationships with Respect to
Securities  of  the  Issuer

None

ITEM  7.  Material  to  be  Filed  as  Exhibits.

     Exhibit  1(1)     Exchange  Agreement dated May 30, 2003, between Princeton
                       Ventures,  Inc.  and  Aero  Marine  Engine  Corp.

     (1)  Filed  as  Exhibit 2.1 to the report on Form 8-K filed on July 8, 2003

                                    SIGNATURE

     After  reasonable  inquiry  and  to  the best of my knowledge and belief, I
certify  that  the information set forth in this statement is true, complete and
correct.

Dated:  August  14,  2003               By:  /s/  Peter  Mergenthaler
                                           --------------------------
                                           Peter  Mergenthaler