Plaza d'Isabella Secondi , Cadiz , c 1849.
© NMeM / Royal Photographic Society / Science & Society Picture Library
'This, my second attempt was more disastrous still! To obtain it I had unwittingly got onto the fortifications and, just as I was congratulating myself on the prospect of a good probable success an Officer and a dozen soldiers closed around and arrested me, believing me to be a spy taking a plan of the fortifications, and, certainly my apparatus looked very like it! I was unable to explain my object, and was at once marched off to the Guard House. Meanwhile, members of the crew who had accompanied me reported to Lord Lincoln what had happened and he put himself in communication with the English Consul (Mr. BraKenbury) who came at once to investigate the charge, and he, happily Knew me, having been [an] old schoolfellow! He had never heard of photography, and did his best to explain that i was no spy - but the doctor in medical charge of the Yacht, practising a recently discovered art for obtaining pictures by the aid of sunlight, and after long consideration succeded in procuring my