perforating machine sentence in Hindi

Examples

1. Philatelists know Henry Archer as the inventor of the first postage stamp perforating machine, which he patented in 1848, to facilitate Postmaster General for ?, 000.
2. Archer's patent for his perforating machine ( no . 12, 340 of 1848, dated May 23, 1849 ) was purchased for ?, 000 in June 1853.