This may certify that I the subscriber was towards the lattei end of. March 17S6, informed that M'^. Matthias Ziramers had begun some machinery for M^'. Rumsey's Steam-boat. Accordingly I called on M^'. Zimmers to see it, but was refused the sight of it, as it was then retained as M"^ Rumsey's secret -- but was informed that it was begun in the beginning of the same month, this I declare to be the truth as near as I can recollect -- As witness my hand.

JONATHAN MORRIS.

No. 18. The deposition of John Peters, who performed such parts of M"". Rumsey's machinery as were made of tin.

Frederick County^ Maryland^ April IS^A. 1788. I the subscriber was a journeyman and worked for M"". Matthias Zimmers -- and began to work in the tin business, at the same time M*". Zimmers did begin the copper works for M"". James Rumsey, of Virginia, for his Steamboat, which said coppers and tin works were begun in March, in the year 1786.

JOHN PETERS.

Sworn before me, JACOB YOUNG, one of the justices for Frederick county, Maryland.

N". 19.

The deposition of John Frymiller who was apprentice to M''. Zimmers at the time he made the copper works for tha steam engine, shewing not only that the works were begun and finished in a shop next to M'^ Tombough ; but that no part of said machinery was begun before the spring, 1786.

State of Maryland^ Baltimore County.

On this twenty-sixth day of April, in the year of our Lord one thousand seven hundred and eighty eight, before me the subscriber one of the justices of the peace for the county aforesaid, personally appeared John Frymiller of Baltimore town in said county, and made oath on the holy Evangelists of Almighty God, that during the time he was an apprentice to the late M^ Matthias Zimmers