quadruplicate

I will not repeat what I have said on this subject in my last, a quadruplicate of which is enclosed, as is also a cypher.

Most common is the "quadruplicate" arrangement, with four sets of laminae of differing depths.

Army accounting is wholly unlike civilian, books being dispensed with and accounts of all kinds being made in quadruplicate.

There was the matter of the wedding, which was now to be in quadruplicate.

We must not, however, fall into his own mistake and quadruplicate to his duply.