Model of an Optical Telegraph

Model of a Mast

Model of a Batavian Coastal Telegraph

Model of a Batavian Coastal Telegraph

Model of an Optical Telegraph

Model of a Stayed Mast

Model of a Masting Sheer

Model of a Mainmast with Turnbuckles and Pinion Jack

Model of an Optical Telegraph

Model of a Jeer

Model of a Masting Sheer

Model of an Artificial Reef

Model of a Rudder with Rapson Slide

Model of a Ship's Stern in Construction on a Shipyard

Model of an Optical Telegraph

Model of a Portable Optical Telegraph

Model of a Pile Driver on a Raft

Model of a Pilot Cutter

Model of an Optical Telegraph

Model of a Crane for Stepping Masts

Model of Part of a Rigged Foremast with Parrel Brace

Model of Two Congreve Rockets with Launching Gear

Lyre (ndongo, endongo, entongoli, or kissar)

Torenkruis

Model of screw-propeller lifting gear