Wrought Iron

Overlapping Developments

Everyone seems to love covered bridges, but profile photos of them tend to be very boring: you’re looking at a plank wall. For most bridges, that’s one of the best angles. In any case, that’s the Bunker Hill Bridge over Lyle Creek, in Catawba County, North Carolina. And the inside view shows why I’m writing …

Overlapping Developments Read More »

Gas Pressure

That odd round building in the photo above was the first time I encountered a structure that was a designed mix of wrought-iron and masonry. It’s the Gasholder House in Troy, New York. I was introduced to it when I was a student, not in an engineering class, but by a history professor, Tom Carroll. …

Gas Pressure Read More »

An Amazing Number

The picture above shows the International Bridge between Fort Erie, Ontario, and Buffalo, New York. It’s a wrought-iron Pratt through-truss bridge constructed in 1873 and still in use for its original purpose of carrying trains. The bridge is in three sections: a series of truss spans across the main channel of the Niagara River, a …

An Amazing Number Read More »

A Process Of Elimination

Just down the block from that Federal style house I was taking about are some fancier-than-usual tenements. (Also, in the background, you’ve got a nice view of downtown about half a mile away, but that’s incidental to my point.) I want to talk about the one on the left, on the corner of the block. …

A Process Of Elimination Read More »

Scroll to Top