Show cost cost lost convenient metal ex pediment ordinary doll doll dull state without vowel upon plat bright metal picture name photography DARK DARK dank 81 69 four IW re AV lot lot tom lot tom toe CI ma before x ordinary dr russell various ar OB toe dry dr drag pl dark nay nay kay nay kay bay london chronicle dr russell found though rot origin latent picture plate visible way ordinary image nary light gin lower light under second metal beta found zinc formate plate produce tine tine zinc temperature ordinary tam art exposure requisite temperature 56 degree cent grade exposure halt quarters hour sufficient contact zinc plate necessary wary take place appreciable although Kh Image sharp among organic act plate chief group varnish turpentine ban found essential peppermint being small amount contain note certain media instance thin sheet gelatin explanation given due due dub riven riven given off themselves dr russell Iluf sell lew lew view later view bel plate due known coin coin corn compound pound viz hydrogen peroxide decomposition acts upon plate 16 immediate cause picture explanation found fit fit nit why give rise presence moisture peroxide known body direct proof however easy hydrogen peroxide dilute condition read ed ISO ox water picture part part park peroxide inferior practical purpose |