26. 1. The red square with pink stripes in profile picture on Facebook means that they are in favor of `marriage equality`. Marriage equality is an act of New York State law that allows gender-neutral marriages for both same-and opposite-s e x couples.6. 1. The red square with pink stripes in profile picture on Facebook means that they are in favor of `marriage equality`. Marriage equality is an act of New York State law that allows gender-neutral marriages for both same-and opposite-s e x couples.
Dwyer Photohelic Pressure Gauge & Switch. 3-in-One Indicating Gage, Lo-limit and Hi-Limit Control. Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic design. The Photohelic measures and controls positive, negative or differential pressures of air and compatible gases.
About. This short animation demonstrates the inner workings of a spectrophotometer. Here's how a spectrophotometer works. A lamp provides the source of light. The beam of light strikes the diffraction grating, which works like a prism and separates the light into its component wavelengths.