This image was taken from the Guía Anual Isrelita Edición 1947, a Jewish directory of Buenos Aires.
This book was found in the library of the IWO institute of Buenos Aires. The images were not scanned but taken with a digital cammera, we know that this is not the best way, but better a blurred image than nothing.
Click in the button to enlarge the image. Then when the enlarged image is open, by moving the mouse over it you will see that sector magnified. If you see a rectangle without the magnification, please wait for a moment and try again, this is due to the big size of the imagen.