"Tho' <i>duffers</i> are so common
And golden gutters rare,
The mining sons of woman
Can much ill fortune bear."
1873. A.Trollope, `Australia and New Zealand,' vol. i. p. 291:
"A shaft sunk without any produce from it is a duffer. . . . But of these excavations the majority were duffers. It is the duffering part of the business which makes it all so sad.So much work is done from which there is positively no return."
1885. H. Finch-Hatton, `Advance Australia,' p. 266:
"The place is then declared to be a `duffer,' and abandoned, except by a few fanatics, who stick there for months and years."
1891. `The Australasian,' Nov. 21, p. 1014:
"Another duffer! Rank as ever was bottomed! Seventy-five feet hard delving and not a colour!"
<hw>Duffer out</hw>, <i>v</i>. A mine is said to duffer out, when it has ceased to be productive.
1885. H. Finch-Hatton, `Advance Australia,' p. 279:
"He then reported to the shareholders that the lode had `duffered out,' and that it was useless to continue working."