Document:

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                                                                    Exhibit 10.4

<TABLE>
<CAPTION>
List of Contents of Schedules and Exhibits to the Heads & Threads Credit Agreement
<S>                        <C>
SCHEDULE 1                 Lenders and Commitments
SCHEDULE 1.1               Eligible Accounts
SCHEDULE 2                 Lender Addresses
SCHEDULE 5.5               Material Adverse Changes since December 31, 1999
SCHEDULE 5.6               Exceptions to Tax Representations
SCHEDULE 5.7               Pending Litigation
SCHEDULE 5.8               Borrower's Subsidiaries
SCHEDULE 5.9               Exceptions to ERISA Representation with respect to Plan Withdrawals
SCHEDULE 5.14              Exceptions to Representation Concerning Ownership of Properties
SCHEDULE 5.15              Exceptions to Representation Concerning Environmental Matters
SCHEDULE 6.12              Permitted Indebtedness
SCHEDULE 6.15(viii)        Description of Existing Investments
SCHEDULE 6.16              Description of Existing Liens

EXHIBIT A                  Form of Compliance Certificate
EXHIBIT B                  Form of Note
EXHIBIT C                  Form of Security Agreement
EXHIBIT D                  Form of Facility Letter of Credit Request
EXHIBIT E                  Form of Opinion of Outside Counsel For Borrower
EXHIBIT F                  Form of Written Money Transfer Instructions
EXHIBIT G                  Form of Assignment and Assumption Agreement
EXHIBIT H                  Borrowing Base Certificate
</TABLE><PAGE>   1
                                                                  EXHIBIT 10.52

              CONSOLIDATED, AMENDED AND RESTATED PROMISSORY NOTE

$1,000,000                                                 AS OF MARCH 24, 2000
                                                       SADDLE BROOK, NEW JERSEY

        WHEREAS, VORNADO REALTY TRUST, a Maryland real estate investment trust
("Payee"), having principal offices located at Park 80 West Plaza II, Saddle
Brook, New Jersey 07663, is the holder of the following promissory notes
(collectively, the "Underlying Note"): (i) that certain Mortgage Note, dated as
of May 29, 1998, by Thomas Wajnert and Theresa Wajnert, as payor, and Merrill
Lynch Credit Corporation, as payee, in the original principal amount of
$1,000,000 (of which $931,103.17 remains outstanding as of the date hereof),
and (ii) that certain Gap Promissory Note, of even date herewith, made by
Melvyn Blum, an individual residing at 1 Central Park West, Apt. 27G, New
York, NY 10023 ("Payor"), as payor and Payee, as payee, in the original
principal amount of 68,896.83 (all of which remains outstanding as of the date
hereof);

        WHEREAS, Payor and Payee desire to consolidate, amend and restate the
terms and conditions of the promissory notes comprising the Underlying Note in
their entirety in the manner hereinafter set forth.

        NOW, THEREFORE, by Payor's execution and delivery of this Note, and
Payee's acceptance of delivery of this Note, this Note is deemed to
consolidate, amend and restate the terms of the Underlying Note, and the
Underlying Note is hereby consolidated, amended and restated in its entirety
to read as follows:

        FOR VALUE RECEIVED, the undersigned, Payor, hereby promises to pay to
the order of Payee, at its principal offices located at Park 80 West Plaza II,
Saddle Brook, New Jersey 07663, the principal amount of ONE MILLION DOLLARS
($1,000,000). Interest shall accrue on this Note at a rate per annum equal to
six and 63/100 (6.63%) percent from and after the date set forth above, and
accrued and unpaid interest shall be due and payable quarterly in arrears on
the tenth day following the payment of the Payee's regular quarterly dividend
to its stockholders (or if no dividend is paid during any calendar quarter, on
the last business day of such calendar quarter), until the principal amount of
this Note and all accrued interest hereon shall have been paid in full.

        The principal amount hereof and all accrued and unpaid interest hereon
shall be due and payable on the Maturity Date. The term "Maturity Date" shall
mean the earliest of (i) the fifth anniversary of the date of this Promissory
Note, (ii) other than as provided in (iii) below, the thirtieth (30th) day
after the termination of Payor's employment by Payee for any reason or no
reason, (iii) the termination of Payor's employment by Payee for Cause (as
defined in the Employment Agreement, dated as of January 24, 2000, between
Payee and Payor, as amended (the "Employment Agreement").

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        Interest due in this Note shall be calculated on the basis of a 365-day
year for the actual number of days elapsed during the applicable period. Any
payment required to be made hereunder on a day which is not a business day
shall be due and owing on the first business day thereafter. Failure by the
Payor to pay any sum due hereunder when due and payable which has not been
cured by the Payor within 30 days following actual receipt of written notice
given by the Payee, or the occurrence of an event of default under any of the
Loan Documents (as defined below), shall constitute an event of default under
this Note and the payee may, at its sole option exercised by notice to the
Payor, declare the entire outstanding principal balance hereof, together with
all unpaid interest accrued hereon, to be immediately due and payable in full.
Upon the occurrence of an event of default hereunder, the Payee may exercise
all rights and remedies available to it under the Loan Documents, hereunder or
otherwise.

        The Payor shall have the right to repay all or any portion of the
amounts evidenced by this Note at any time without premium or penalty;
provided, however, such repayment shall include all interest accrued and unpaid
hereunder as of the date of such prepayment.

        This Note is secured by (i) the Consolidated, Amended and Restated
Mortgage, dated as of the date of this Note, made by Payor and Payor's spouse
in favor of the Payee (the "Restated Mortgage"), and (ii) such other security
or supporting documents as are executed in conjunction with therewith
(collectively, the "Loan Documents"). Payee or any subsequent holder of this
Note is entitled to all benefits provided for in the Loan Documents or referred
to therein.

        If this Note is collected by legal proceedings (including proceedings
in the probate or bankruptcy courts) then all costs and expenses of collection
or enforcement shall be added to the principal of, and be collectible as part
of, this Note.

        In case any one or more of the provisions of this Note shall be
invalid, illegal or unenforceable in any respect, the validity, legality and
enforceability of the remaining provisions contained herein shall not in any
way be affected or impaired thereby.

        THIS NOTE SHALL BE INTERPRETED AND THE OBLIGATIONS OF THE BORROWER
HEREUNDER DETERMINED IN ACCORDANCE WiTH THE LAWS (WITHOUT REGARD TO CONFLICT OF
LAWS PROVISIONS) OF THE STATE OF NEW JERSEY.

        IN WITNESS WHEREOF, the Payor has caused this instrument to be duly
executed on the date in the year first above written.

                                            /s/ MELVYN BLUM
                                            --------------------
                                                Melvyn Blum

SIGNATURE PAGE TO $1,000,000.00 CONSOLIDATED, AMENDED AND RESTATED PROMISSORY
NOTE DATED AS OF MARCH 24, 2000 PAYABLE TO VORNADO REALTY TRUST.

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                              GAP PROMISSORY NOTE

$68,896.83                                                 AS OF MARCH 24, 2000
                                                       SADDLE BROOK, NEW JERSEY

        FOR VALUE RECEIVED, the undersigned, Melvyn Blum, an individual
residing at 1 Central Park West, Apt. 27G, New York, NY 10023 ("Payor"), hereby
promises to pay to the order of VORNADO REALTY TRUST, a Maryland real estate
investment trust ("Payee"), or its order, at its principal offices located at
Park 80 West Plaza II, Saddle Brook, New Jersey 07663, the principal amount of
SIXTY-EIGHT THOUSAND EIGHT HUNDRED NINETY-SIX and 83/100 DOLLARS ($68,896.83).
Interest shall accrue on this Note at a rate per annum equal to six and
63/100 (6.63%) percent from and after the date set forth above, and accrued and
unpaid interest shall be due and payable quarterly in arrears on the tenth day
following the payment of the Payee's regular quarterly dividend to its
stockholders (or if no dividend is paid during any calendar quarter, on the
last business day of such calendar quarter), until the principal amount of this
Note and all accrued interest hereon shall have been paid in full.

        The principal amount hereof and all accrued and unpaid interest hereon
shall be due and payable on the Maturity Date. The term "Maturity Date" shall
mean the earliest of (i) the fifth anniversary of the date of this Promissory
Note, (ii) other than as provided in (iii) below, the thirtieth (30th) day
after the termination of Payor's employment by Payee for any reason or no
reason, (iii) the termination of Payor's employment by Payee for Cause (as
defined in the Employment Agreement, dated as of January 24, 2000, between Payee
and Payor, as amended (the "Employment Agreement").

        Interest due on this Note shall be calculated on the basis of a 365-day
year for the actual number of days elapsed during the applicable period. Any
payment required to be made hereunder on a day which is not a business day
shall be due and owing on the first business day thereafter. Failure by the
Payor to pay any sum due hereunder when due and payable which has not been
cured by the Payor within 30 days following actual receipt of written notice
given by the Payee, or the occurrence of an event of default under any of the
Loan Documents (as defined below), shall constitute an event of default under
this Note and the Payee may, at its sole option exercised by notice to the
Payor, declare the entire outstanding principal balance hereof, together with
all unpaid interest accrued hereon, to be immediately due and payable in full.
Upon the occurrence of an event of default hereunder, the Payee may exercise
all rights and remedies available to it under the Loan Documents, hereunder or
otherwise.

        The Payer shall have the right to prepay all or any portion of the
amounts evidenced by this Note at any time without premium or penalty;
provided, however, such prepayment shall include all interest accrued and
unpaid hereunder as of the date of such prepayment.

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        This Note is secured by (i) the Gap Mortgage, dated as of the date of
this Gap Promissory Note, made by Payor and Payor's spouse in favor of the
Payee (the "Gap Mortgage"), and (ii) such other security or supporting documents
as are executed in conjunction with therewith (collectively, the "Loan
Documents"). Payee or any subsequent holder of this Note is entitled to all the
benefits provided for in the Loan Documents or referred to therein.

        If this Note is collected by legal proceedings (including proceedings
in the probate or bankruptcy courts) then all costs and expenses of collection
or enforcement shall be added to the principal of, and be collectible as part
of, this Note.

        In case any one or more of the provisions of this note shall be
invalid, illegal or unenforceable in any respect, the validity, legality and
enforceability of the remaining provisions continued herein shall not in any way
be affected or impaired thereby.

        THIS NOTE SHALL BE INTERPRETED AND THE OBLIGATIONS OF THE BORROWER
HEREUNDER DETERMINED IN ACCORDANCE WITH THE LAWS (WITHOUT REGARD TO CONFLICT
OF LAWS PROVISIONS) OF THE STATE OF NEW JERSEY.

        IN WITNESS WHEREOF, the Payor has caused this instrument to be duly
executed on the date in the year first above written.

                                            /s/ MELVYN BLUM
                                            --------------------
                                                Melvyn Blum

SIGNATURE PAGE TO $68,896.83 GAP PROMISSORY NOTE DATED AS OF MARCH 24, 2000
PAYABLE TO VORNADO REALTY TRUST.

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State of New York

County of New York

         On the 24th day of March, in the year 2000, before me, the
undersigned, a notary public in and for said State, personally appeared
Melvyn Blum, personally know to me or proved to me on the basis of
satisfactory evidence to be the individual whose name is subscribed to the
within instrument and acknowledged to me that he executed the same in his]
capacity, and that by his signature on the instrument, the individual, or the
person on behalf of which acted, executed the instrument.

                                             /s/ JEFFREY LEVITIN
                                          --------------------------
                                          Notary Public

                                               JEFFREY LEVITIN
                                       Notary Public, State of New York
                                               No. 02LE6028334
                                          Qualified in King County
                                       Commission Expires Aug. 10, 2001

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