Historically images were produced with the help of silver salts The film is burned The ash melted Or torn to bits and steeped in acids Body as land Surveyable Riddled with disease Veined with tributaries Tribute as payment made by one body or one nation to another in submission For instance the US Asiatic Squadron overcoming the Spanish Pacific Fleet as the Bay foamed with smoke and gunpowder The sum of twenty million The price of occupation Even then to ford the first of many waterways was to come under scrutiny As children we imagined clear air poured like milk into the upside-down bronchial trees What birds trembled the leaflets of their wings there waiting to be read like a book Trachoma Tuberculosis Rheumatic fevers Ringworm Asymmetries Deformities and other signs of contagion And so the first of anyone I knew who crossed the ocean did so clutching an X-ray film of their lungs as they climbed into the plane After the ribcage and the spine and the system of smaller bones is archived something pure like silver might still be recovered It washes It's a wash Which in current usage means a situation in which overall no real loss is considered to have occurred