Grammage greater strength. Paper weight is sometimes stated using the "#" symbol. For example, "20#" means "20 pounds per basis ream of 500 sheets". When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". The M weight is the weight (in pounds) of 1000 cut sheets. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. For example, a 500-sheet ream of 20# copy paper may be specified "10 M". 1000 cut
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.