Definitions/Dirty Read
From scientopedia
Dirty Read
Definitions → D → Dirty Read
symbol D.R.-a more or less instant response of the needle which is agitated by a major thought; it is an instant tiny (less than a quarter of an inch) agitation of the needle and is in fact a very small cousin of a rock slam but is not a rock slam. It does not persist. (HCOB 8 Nov 62)
