Ever since its introduction in the early part of the 20th century, the green banker’s lamp has stuck around as one of the most popular types of desk lamps. It was given the green shade largely due to the belief that green light was soothing, caused less eye strain, and therefore improved productivity.Click to see full answer. Similarly, you may ask, why do lawyers have green lamps?Green eyeshades are a type of visor that were worn most often from the late-19th century to the mid-20th century by telegraphers, copy editors and others engaged in vision-intensive, detail-oriented occupations to lessen eyestrain due to early incandescent lights, which tended to be harsh (the classic banker’s lamp hadFurthermore, how do you replace a lamp shade on a banker? And you will most likely need one when detaching the lamp socket of your bankers lamp, one of the steps to replace the shade. Step 1: Remove the socket. Step 2: Remove the shade. Step 3: Attach grommets and the new glass shade. Step 4: Reattach the socket. Subsequently, one may also ask, why are green lamp shades used in libraries? To clarify, the green shades are open at the bottom so that “white” light is thrown onto the table and reading surfaces. Remember that incandescent bulbs throw out light in all directions. The shades prevent bright white lights from also being in readers’ peripheral vision, distracting or partially blinding them.What are desk lamps made of?The lamp bases are generally nickel-plated brass. The coils in the lamps (called filaments or cathodes) are made of tungsten.