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Standard outlines for flasks, condensers and joints.
Also known as: Glassware diagram symbols, Apparatus outlines
Laboratory apparatus is drawn in a fixed set of outlines — a round-bottomed flask as a circle on a neck, a condenser as a tube within a jacket — so an assembly can be specified without a photograph. Glass joints are drawn as a taper, which is the detail that says whether two pieces will actually fit.
Draw apparatus in a conventional set of outlines so that an assembly can be specified unambiguously in a diagram.
Contexts: Laboratory
Show ground-glass joints as tapers, which carries the compatibility information a photograph would not make explicit.
Contexts: Laboratory
Simple line outlines: a circle on a narrow neck, a tube drawn within a wider jacket, and short tapered joins.