http://www.google.com.br/imgres?imgurl=http://www.portalsaofrancisco.com.br/alfa/revolucao-industrial/imagens/revolucao-industrial2.jpg&imgrefurl=http://www.portalsaofrancisco.com.br/alfa/revolucao-industrial/revolucao-industrial-2.php&h=205&w=325&sz=16&tbnid=w2cxP5IDuZLYyM:&tbnh=74&tbnw=118&prev=/images%3Fq%3Dsegunda%2Brevolu%25C3%25A7%25C3%25A3o%2Bindustrial&hl=pt-BR&usg=__5NkNn8OVJF1L27DmBZqU5eKrm0Q=&ei=KmaFS7f9EMOEuAfq2vTNAg&sa=X&oi=image_result&resnum=4&ct=image&ved=0CBMQ9QEwAw i IMAGENS DA SEGUNDA REVOLUÇÃO INDUSTRIAL