Usage examples (4)

• They also described Niepce's earlier processes, heliography and the physautotype , but presented the daguerreotype alone as having a future.
• "I wish Miss Young would teach us heliography next term," said Honor.
• A treatise on the sublime science of heliography, satisfactorily demonstrating our great orb of light, the sun, to be absolutely no other than a body of ice!
• Far more conflicting are the theories as to his constitution, of which indeed we may truly say very little was known before the application of photography and the spectroscope...