Front (Right picture showing the "Data Center" pulled out) |
Back |
This rule was designed by Sama Etani and manufacturede by Concise. Special feature of this rule is it has a pocket in the body and a sheet of plastic called "Data Center" is tacked in it. The Data Center contains a lot of tables such as the unit convertion, physical constants and others. This rule was designed for Electrical Engineering use and it has a Reactance Nomograph to compute reactances and resonant frequencis in the back. The Data Center containes EE's "must know by heart" data such as Color Codes and Standard Component Values. |