at the whitechapel gallery, july 11 (price £8.50)  prob­a­bly best known for her pho­­to-con­­cep­­tu­al pub­li­ca­tion ‘the bow­ery in two inad­e­quate descrip­tive sys­tems’, martha rosler’s work has inves­ti­gat­ed the notions of … more…