This Geo Ruler is ideal for field use and for photographing specimens when portraying size. Colour graduated in cm on one side, with 10cm long colour graduated blocks on adjacent side. It’s made of hard thick plastic and is waterproof.
This Geo Ruler is ideal for field use and for photographing specimens when portraying size. Colour graduated in cm on one side, with 10cm long colour graduated blocks on adjacent side. It’s made of hard thick plastic and is waterproof.