"TheGeezer" was wondering if it had an arc lamp on top.

The 1907 photo at https://www.shorpy.com/node/9820?size=_original shows only a small wind-vane at the top. In some other vintage photos I found it appears to have a flag. None showed arc lamps so my guess is it was an remarkably tall flag pole. Photos since the 1950s show the pole is gone.

The adjacent structure is the Williamson Building seen before on Shorpy. It was imploded on a Sunday in 1982 with a large crowd on hand to see it brought down and to be engulfed in its dust cloud.

Riding the St. Clair Avenue line to Nottingham School in the late '40s, I am sure I was conveyed on trolleys precisely like those depicted, if not the very same ones. Clearly, they were an capital investment that was fully amortized.

And during shorts season, the varnished straw seats embossed the backs of one's legs most fetchingly.

Is that monster pole on the corner supporting an arc lamp?

There's not a single ugly window air conditioner in sight! Instead, the buildings have windows which (gasp!) actually open. Many canvas shade awnings are in use, including on upper floors.

In the 1970's an old-time office worker told me about working summers in a hot office: He said your paperwork would stick to your forearms because you'd always be damp with perspiration.

On the left is pair of open-bench "toast rack" trolley cars, possibly one powered and the other a non-powered trailer. (Can't be certain because of the way the scene is framed.) These were very popular with the riding public - people would take a ride in an open trolley just to cool off.

The open trolleys were not, however, favored by traction company management. They sat idle half the year. The response was the "convertible" trolleys with removeable window panels, one of which can be seen in front of the Illuminating Company building.

Businessmen had to wear hats in those days, so there are plenty of summertime-only straw "boater" hats in evidence. It was a different time.

That huge pole in the left of the photo is probably part of the demonstration by Charles F. Brush on April 29, 1879, showing the advantages of his DC arc lamp.

History has come full circle seeing as how many of the major highway junctions of today are illuminated with similar discharge lamps atop super tall poles.

The Moonlight Towers of Detroit and Austin are also examples of this type of "towering" lighting.

Those erratically open, closed and nearly closed awnings on the face of the Illuminating Company's Building are a disgrace to Canvashood.

Of the Cleveland Electric Illuminating Co.