From Chapter 4:
Hayne's "Diary" contains one or two entries relating to smokers' requisites. In September 1639 he spent 2d. on a new spring to his "Tobacka tonges." These were the tongs used for lifting a live coal to light the pipe, to which I have referred on a previous page. On the last day of 1640 Hayne paid "Mr. Drakes man" 1s. 5d. for "6 doz: Tobacka-pipes."

From Chapter 8:
The allusion in these verses to a "satiric wipe" refers to a passage in the poem entitled "Conversation," which Cowper had written in the previous year, 1781. In this passage tobacco is abused in terms which Cowper clearly felt to need modification after his personal intercourse with such a smoker as his friend Bull. In describing, in "Conversation," the manner in which a story is sometimes told, the poet says:

The pipe, with solemn interposing puff,
Makes half a sentence at a time enough;
The dozing sages drop the drowsy strain,
Then pause and puff—and speak, and pause again.
Such often, like the tube they so admire,
Important triflers! have more smoke than fire.