Documentary History of the State of New York, Vol. II
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
1070 EARLY STEAM
of Frederick-town, in Frederick county, and state aforesaid, deceased, when he the said Matthias Zimmers made M"". James Rumsey's machinery for the Steam-boat -- That he, this deponent, did work at the said James Rumsey's machinery -- That it was begun in the spring of the year 1786, and that no part of said machinery was begun before the time above mentioned by the said Zimmers, to the best of his knowledge -- and further that the said machinery was begun and finished in a shop adjoining Frederick Tombough's smith-shop (which said Tombough w^as, as the deponent has been informed, in partnership in the smith's business at said time with said Zimmers) in which said Matthias Zimmers had his copper-smith's fires for brazing &c. and further this deponent saith not.