Admiralty Chart Prints 1410 Saint George's Channel Size:44x30" (112x76cm) This desk instrument combines centuries old TOOLS This desk instrument combines centuries old principles to provide meteorological information at a glance: Galileo Galilei’s discovery that the relative density of liquids varies according to temperature provides the basis for the thermometer of floating glass globes Solid brass leather bound telescope presented in a polished wooden box with brass inlay corners and anchor motif Canvas prints are premium quality 330gsm poly cotton material printed with fade resistant inks or recalling a favourite voyage perhaps