| Letter paper | | | | | | (quarto size) | 2 | 3 | 26·5 × 42 | 10·4 | -- | | | | | | | Letter paper | | | | | | (octavo size) | 2 | 3 | 26·5 × 21 | 5·2 | -- | | | | | | | Duplicating | | | | | | paper | 2 | 3 | 33 × 42 | 7 | -- | | | | | | | (_b_) Official | | | | | | writing paper | 2 | 4 | 33 × 42 | 13 | -- | | | | | | 4 | Paper for documents of| | | | | | lesser importance-- | | | | | | | | | | | | (_a_) Foolscap paper | 3 | -- | 33 × 42 | 12 | -- | | | | | | | Letter paper | | | | | | (quarto size) | 3 | -- | 26·5 × 42 | 9·6 | -- | | | | | | | Letter paper | | | | | | (octavo size) | 3 | -- | 26·5 × 21 | 4·8 | -- | | | | | | | (_b_) Official | | | | | | writing paper | 3 | 4 | 33 × 42 | 12 | -- | | | | | | 5 | Envelopes and | | | | | | wrappers-- | | | | | | | | | | | | (_a_) First quality | -- | 3 | -- | -- | -- | | | | | | | (_b_) Second quality | -- | 5 | -- | -- | -- | | | | | | 6 | Writing paper of | | | | | | medium quality | -- | 5-6 | -- | -- | -- | | | | | | 7 | Covers for documents--| | | | | | | | | | | | (_a_) That required | | | | | | for frequent use| 1 | Tearing | 36 × 47 | 81·2 | 480 | | | length | | | | | | 2,500 | | | | | |Elasticity| | |