Postal tubes.
Tubes of various sixes, made of paper or thin strawboard, for protecting paper or prints going through the post.
· 
· 
Entry taken from Printers' Vocabulary, by Charles Thomas Jacobi, 1888.
Tubes of various sixes, made of paper or thin strawboard, for protecting paper or prints going through the post.
· ·
Entry taken from Printers' Vocabulary, by Charles Thomas Jacobi, 1888.