All the major bus advertisers on one photograph (and some others). Left to right:
Ridge’s Food (Best for Infants).
Mellin’s (oval sign on the stairs). More infant formula.
Oakey’s Wellington Knife Polish. A staple below stairs.
Hotel in South Hackney, probably the Queen’s Hotel.
Infant formula, cocoa, cameras, polish, soap, whisky. Are the hangings on the building Jubilee decorations?
According to Wikipedia, Route 3 didn’t start operation until 1908 and then not on this route. In any case, this looks earlier. What are the words above Putney on the side of that bus?
London General Omnibus Company. The sign that appears to say C&SH must be where you dropped the fare, so when did bus conductors come in?