Robuta

https://www.rmg.co.uk/collections/objects/rmgc-object-386869 Drawing Instrument | Royal Museums Greenwich drawing instrument royal museums greenwich https://www.rmg.co.uk/collections/objects/rmgc-object-386868 Case (for drawing instrument) | Royal Museums Greenwich for drawing case instrument royal museums https://www.rmg.co.uk/collections/objects/rmgc-object-42882 Drawing instrument set | Royal Museums Greenwich drawing instrument set royal museums greenwich https://www.rmg.co.uk/collections/objects/rmgc-object-386874 Drawing Instrument | Royal Museums Greenwich drawing instrument royal museums greenwich https://www.rmg.co.uk/collections/objects/rmgc-object-386877 Drawing Instrument | Royal Museums Greenwich drawing instrument royal museums greenwich https://www.rmg.co.uk/collections/objects/rmgc-object-42863 Drawing instrument set | Royal Museums Greenwich drawing instrument set royal museums greenwich https://www.rmg.co.uk/collections/objects/rmgc-object-1135297 Drawing instrument box | Royal Museums Greenwich drawing instrument box royal museums greenwich https://eso.org/public/belgium-fr/images/eso1543d/?lang Schematic drawing of the SEPIA instrument | ESO Belgique schematic drawing of the sepia instrument eso