Göttingen Collection of Mathematical Models and Instruments

	(320) 2 stereo's of a gypsum model of a surface of 3. order with the 27 lines		(321) Lissajous tuning fork curves. 18 stereo's with explanation
	(322) 24 stereo's of crystal lattices with text volume		(323) 16 stereo's of algebraic spherical curves
	(335) Stereo: pentagonal dodecahedron with 5 inscribed dice		(336) Stereo of the Desargues configuration
	(338) 2 stereoscopes		(344) 4 red-green glasses for stereoscopic vision
	(356) 20 stereo's Lissajous curves		(588) Phototheodolite and stereo comparator
	(865) Pictures (Carl Zeiss, Jena)		(866)
	(898) Stereoscopic pictures of crystal grids from v. Laue and v. Mises		(899) Zeiss stereoscope