光譜儀

光 = 小 + 兀 : Mnemonic symbol: a laser pointer.

光 = 小 + 兀 : Gitta Giraffe is giving a big concert in front of the anglepod. She set up a lot of laser pointers for the light show, the audience is throwing daisies up to her and she is just rocking her 胡兀尔.

谱 = 普 + 讠 : Petra Penguin (pu) is having Sputnik (普) chart the spectra (谱) he recorded draw on an advertising column (讠) in the space station (Ø3). Petra will use this information to create a musical score (谱).

仪 = 义 + 亻 : Justitia (义) prepared a new apparatus (仪), an electric balance, and asks Maud Younger (y) and Rosa Luxemburg (亻) to help her test it just inside the space station's entrance (Ø2). Puzzled she finds that she is not able to weigh the two women in zero gravity.