Short-wave UV Lamp Light output: 1200 lumen

Light output: 1200 lumen

Stamps are held securely in place by strong clamp-type seal

Software is quick and easy to install and features a calibration function for the exact measurement of enlarged objects (this function is not supported by Mac computers)

Each of the 6 volumes is contained in a luxurious 2 post padded binder made of red leather - grained vinyl

from 1902 to 1952

Short-wave UV Lamp Light output: 1200 lumenShort wave UV light. Peak radiation efficiency at 254 nm. For the detection of phosphorescence stamps from Great Britain, USA, Israel, Finland, and older issues from Canada and Mexico. Hand held portable model requires 4 AA batteries (not included).