British Patent 13.321 - 1850
John Alexander Lerow
A grant unto John Alexander Lerow, of Boston, in the United States of America, gentleman, for his invention of certain improvements in sewing machines; 6 months.
November 7, 1850
grooved needle & curved shuttle, rotary machine
grooved needle & curved shuttle, rotary machine
Fig. 20 Blodgett & Lerow sewing machine, 1850, as manufactured by A. Bartholf, New York; the serial number of the machine is 19. At right, an original brass plate from the same type of machine with needle arm and presser foot and arm, serial number 119
extract from The Practical Mechanic Journal (1858)
John A. Lerow, of the United States, obtained a patent in this country for improvements in sewing machines on the 7th of November, 1850. (GB 13.321/1850) Mr. Lerow has, quite unwittingly, no doubt, re-patented and claimed specially the essential feature of Mr. Morey's No. 3 machine, referred to as a type of its class in our Fifth Article.
(GB 12.752/1849) August 30, 1849