A historical optical instrument designed to project images or aid in drawing, related to early camera obscura technology.
From Greek engios (narrow, close) + -scope (from Greek skopein, to look or examine). The prefix engios is rare in English, making this a specialized scientific instrument name.
The -scope suffix gave us incredible words for looking at tiny things (microscope) and far things (telescope), but 'engiscope' never caught on—it was too obscure even for Victorian inventors who loved scientific gadgetry!
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