noun
mimeograph machine; mimeograph
Refers to a duplicating machine that uses a stencil; now largely historical or found in older office contexts.
昔の学校では、謄写機でテスト用紙を印刷していた。
In old schools, they used to print test papers with a mimeograph machine.
From 謄写 (copying, transcription) + 機 (machine). The exact historical derivation is uncertain, but the term describes a stencil-based duplicating device.