process plate

historical

(historical) A plate prepared by a mechanical process, especially a photomechanical process.

Japanese Meaning

（歴史的に）機械的な工程、特にフォトメカニカルな工程により作成された版

The conservator carefully documented the process plate, a photomechanical plate from the 1890s, before beginning restoration.

保存修復担当者は修復を始める前に、1890年代のプロセス版を注意深く記録した。

Sense（1）

(historical) A plate prepared by a mechanical process, especially a photomechanical process.

Sense（2）

(historical) A very slow photographic plate, giving good contrasts between highlights and shadows, used especially for making lantern slides.

process plates

（ plural ）