Mungo Ponton, in 1838, discovered the sensitive quality of potassium bichromate, which led up to carbon printing. |
Wizard of Oz Tom Ponton is caught up in bar war with a brewery. |
I find that at times Ponton overextends his exhaustive exemplification. |
The regulars started work on a 150-foot-long trestlework through the muddy marshes and began assembling the ponton bridge with two companies on each bank. |