Blue-prints and White-prints or blue-lines

June 2017These days we are working on a few blue-prints and blue-lines in our lab. Before starting the work, we tried to discuss the material and technique used in making them. This write-up is the summary of our discussion on the topic. Both these processes (blue prints and blue lines/white prints) use different light sensitive chemicals for re-producing or copying the original drawings made on … Continue reading Blue-prints and White-prints or blue-lines