A Tontine is a scheme for raising capital which combines features of a group annuity and a lottery. Each member in the group puts an agreed upon sum into a pot, and upon the death of every other member, the last person remaining collects the pot.

I think the photo was taken in Colorado. The blanket on the hood of the Model T service truck tells us it's winter. I love the block of wood the electrician is standing on, to insulate himself from ground!

This picture clearly shows the pulley mechanism for the servicing of the electrodes and the cleaning of the globe.

Dave, if you ever come across a shot of an arc lamp being serviced, please share it with us.

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From "Leading Business Men of New Haven County" (1887, Wm. Hale Beckford):

The hotel building is a substantial four-story structure, on the corner of Church and Court streets, opposite the Yale College grounds or "Green."

Tbe cuisine is unexceptionable, the aim of the prudent landlord being to supply everything calculated to tempt the appetite, and to serve the viands in a manner calculated to please the most exacting bon vivant. Every modern appliance and convenience has been provided, and a stay at the "Tontine" will ever be remembered by the guests of Mr. Bradley as the most pleasing experience and feature of a visit to the Elm City.

Found the light fascinating. Wiring from the pole and then a cable and pulley system to raise and lower the light itself. Amazing contraption.

[It's an arc lamp. - Dave]