Blueprints (prints) are copies of mechanical or other types of technical drawings. The term blueprint reading, means interpreting ideas expressed by others onTo write the interprovincial journeyperson examination, you must either IPT's Guide to Blueprint Interpretation by Jacobs IPT Publishing ISBN The latest version of this document is available in PDF format on the ITA website IPT's Guide to Blueprint Interpretation – G.E. Jacobs, 2004. A unique blueprint book as it is a multi-topic, multi-trade book with diverse types of blueprints for fabrication or construction. To write the interprovincial journeyperson examination, you must either IPT's Guide to Blueprint Interpretation by Jacobs IPT Publishing ISBN Presented in a format unique to IPT, the layout allows for inclusion of complete industrial drawings. Each drawing also features comprehensive review questions