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                                                                   EXHIBIT 10.16

                          STOCK SUBSCRIPTION AGREEMENT
                         AMERICAN STONE INDUSTRIES, INC.

                  The undersigned hereby subscribes for 60,000 shares of Common
Stock, $.01 par value per share (the "Stock"), of American Stone Industries,
Inc., a Delaware corporation (the "Corporation"), and hereby agrees to pay in
cash therefor the aggregate price of Two Hundred and Ten Thousand Dollars
($210,000), or Three Dollars and Fifty Cents ($3.50) per share.

The undersigned hereby acknowledges that the Stock has not been registered under
the Securities Act of 1933, as amended (the "Act"), and may not be sold,
transferred or otherwise disposed of unless a registration statement under the
Act with respect to the Stock has become effective or unless the undersigned
establishes to the satisfaction of the Corporation that an exemption from such
registration is available. The undersigned acknowledges that all certificates
for the Stock shall bear the following legend regarding restrictions on
transfer:

                  THE SHARES REPRESENTED BY THIS CERTIFICATE AND ANY SHARES THAT
                  MAY BE ISSUED UPON THE CONVERSION OF SUCH SHARES HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
                  "ACT"), OR UNDER ANY STATE SECURITIES LAWS. NEITHER THIS
                  SECURITY NOR ANY PORTION HEREOF OR INTEREST HEREIN MAY BE
                  SOLD, ASSIGNED, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF
                  UNLESS THE SAME IS REGISTERED UNDER THE SAID ACT AND
                  APPLICABLE STATE SECURITIES LAWS OR UNLESS AN EXEMPTION FROM
                  SUCH REGISTRATION IS AVAILABLE AND THE COMPANY SHALL HAVE
                  RECEIVED, AT THE EXPENSE OF THE HOLDER HEREOF, EVIDENCE OF
                  SUCH EXEMPTION REASONABLY SATISFACTORY TO THE COMPANY (WHICH
                  MAY INCLUDE, AMONG OTHER THINGS, AN OPINION OF COUNSEL
                  SATISFACTORY TO THE COMPANY).

                  The undersigned represents and warrants that (i) the Stock is
not being acquired on behalf of any other person, (ii) the Stock is being
acquired for investment and not with a view to distribution or to divide the
undersigned's participation with others or resell or otherwise transfer the
Stock, and (iii) neither the undersigned nor anyone acting on the undersigned's
behalf has paid any commission or other remuneration to any person in connection
with the purchase of the Stock.

                  The undersigned represents and warrants that it is an
"accredited investor" as that term is defined in Rule 501(a) of Regulation D
promulgated under the Act.


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Name     Roulston Ventures Limited Partnership      Taxpayer I.D. No. 34-1759043
         -------------------------------------                        ----------

Address  4000 Chester Avenue
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City     Cleveland                                  State  OH         Zip 44103
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Date:    September 30, 1998                /s/ Thomas H. Roulston II
                                           -------------------------------------
                                           Roulston Ventures Limited Partnership
                                           By:  Thomas H. Roulston II
                                                General Partner


                                   ACCEPTANCE
                                   ----------

                  This Subscription Agreement is hereby accepted on behalf of
American Stone Industries, Inc.


Date:  September 30, 1998                         /s/ David Tyrrell
                                                  ------------------------------
                                                      David Tyrrell
                                                      President