The treasurer was authorized to give the acceptance or notes of the company, to an extent equal to the whole indebtedness of the company to said contractors, upon which to raise money to carry on the work. That the company would pay or allow to said contractors all discounts or losses to which they might be required to submit, provided such discounts or losses did not exceed the rate of 15 per cent. per annum. That the trustees of the mortgage bonds should deliver to Mr. Herman Haupt one hundred thousand dollars in the bonds of the company in addition to payments due for work, said bonds to be sold or hypothecated by him, and the proceeds applied to the work. The bonds to be charged on account of the contract if not returned when the second payment from the State shall have been made. 1856, July 28. H. Haupt and W. A. Galbraith notified a dissolution of the firm of Serrell, Haupt & Co., and proposed to enter into a new contract. E. W. Serrell notified that Messrs. Haupt and Galbraith were authorized to surrender the old contract. The stock subscription of Edward W. Serrell and E. W. Serrell & Co., was transferred to H. Haupt & Co., the latter to furnish a guarantee that the assessments due and to become due should be paid. E. W. Serrell resigned his office as a director in the company, and was appointed consulting engineer. W. A. Galbraith was chosen a director. 1865, July 30. A contract was made with Herman Haupt, William A. Galbraith, C. B. Duncan and Henry Cartwright for the construction of the road and tunnel. The firm name of the contractors was H. Haupt & Co. By the provisions of the contract all work done under previous contracts with E. W. Serrell or Serrell, Haupt & Co., was to be credited to H. Haupt & Co., and all payments under said contracts were to be charged to H. Haupt & Co., and credited to the Troy and Greenfield Railroad. "The road from the eastern terminus at or near Greenfield from some convenient point on the Vermont and Massachusetts line, as the same now is or hereafter be located," is assumed to be in all about forty-two miles in length.