to signal important incoming messages and could ring / while the power was turned on. for example, ringing bells on upi wire-service machines meant an "urgent" message; bells was a "bulletin"; and bells was a flash, used only for very important news, such as the assassination of john f. kennedy . the...
with a level of knowledge unsurpassed in the industry. we are endorsed by strapping and bottling legend don knapp. knapp also trained our technicians before he retired. nist-traceable tools ensure proper calibration. eei not only calibrates bells, but manufactures our own sonicnine prover . accuracy...