Nevertheless, women were still a distinct minority of the 435 House Members; at their peak during this period, nine served in the 71st Congress (1929â1931). They lacked the power to focus congressional attention on the issues that were important to them.
NVG â Night Vision Green (495 nm): NVG LEDs, along with red LEDs, are useful for preserving night vision. NVG colored LEDs are useful for military pilots as well, who have special equipment that is designed to work with NVG lights. Blue LEDs are often used for map reading at night.
Green Filters. Green light has a very narrow band. For that reason, it is often used for night hunting. Animals are not frightened by green light, and it cannot be seen from the side â only straight on. This makes it the ideal filter for your tactical flashlight when stealth is at a premium.