Circuit Diagram
回路図 / 1890s– / Style / Diagrammatic Expression
Engineering's language of standardized symbols and orthogonal lines. Discarding physical placement to record only connection — a topology of drawing that preceded even the transit diagram.
Standardized component symbols / Orthogonal wiring / Junction dots / Abstraction from physical layout
Dictionary entry
- Best used for
- Comparing primary sources and canonical works · Extracting principles that transfer to other media
- Type
- Observe the letters, signs and scale of reference works
- Composition
- Extract the one structure that governs gaze and information
- Material
- Verify the materials and behaviors specific to era, region and process
- Caution
- Don't reduce it to surface signs. Verify the context of era, region, technology and makers.
- Further study
- the IEC 60617 symbols / learning to read schematics / the division of labor with PCB layout