Grammage is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. However, the mass specified is not the mass of the ream that is sold to the customer. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. So, to compute the mass per area, one must know The standard dimensions and sheet count of a ream vary according to the
T.B. Sheets T.B. Sheets "T.B. Sheets" is a blues-influenced song written and recorded by Northern Irish singer-lyricist Van Morrison, recorded for the Bang Records label in 1967 and included on his first solo album, "Blowin' Your Mind!". It later appeared on the Bang compilation, "T.B. Sheets". "T.B. Sheets" was recorded on 29 March 1967 at A & R Recording Studios In New York City with Bert Berns as producer. Morrison had intended to record it in one take, but there were two takes recorded that day. There is a long-standing, but perhaps apocryphal, story of Morrison's emotional state during the song's recording.