'L'Orphie' [Garfish Size:S: 60 x 45cm where Arthur Thistlewood an his

where Arthur Thistlewood an his fellow conspirators met to plot the assassination of the British Cabinet in 1820

One Liberal MP

House in Bishopsgate

Royal Family on Balcony at Buckingham Palace

A horizontal scale of 4 miles is noted in faint pencil beneath the image

'L'Orphie' [Garfish Size:S: 60 x 45cm where Arthur Thistlewood an hisMarine zoological study showing a side view of the Garfish, or Sea needle, (Belone belone). Plate 6 from the book Icones rerum naturalium, ou figures enlumlinees d'histoire naturelle du Nord, by Peter Ascanius, volume 1 (Copenhagen, 1772). Inscribed upper right 'Ic. Rer. Nat. Tab. VI.' Peter Ascanius was elected a Fellow of the Royal Society in 1755. Original: copperplate engraving. 1772