Making Beer Like It’s 1574, For Science And Heritage

Are you interested in the history of beer, food science, or just a fan of gathering “um, actually” details about things? Well you’re in for a treat because FoodCult (exploring Food, Culture, and Identity in early modern Ireland) has a fantastic exhibition showcasing their recreation of beer last brewed in the sixteenth century by putting serious scientific work into it, and learning plenty in the process.

A typical historical beer of middling strength was around 5% alcohol by volume, similar to a modern-day lager.

The recipes, equipment and techniques are straight from what was used at Dublin Castle in the late 1500s. This process yielded very interesting insights about what beer back then was really like, how strong it was, and what was involved in the whole process.

Documentation from the era also provides cultural insight. Beer was often used to as payment and provided a significant amount of dietary energy. Dublin Castle, by the way, consumed some 26,000 gallons per year.

In many ways, beer from back then would be pretty familiar today, but there are differences as well. Chief among them are the ingredients.

While the ingredients themselves are unsurprising in nature, it is in fact impossible to 100% recreate the beer from 1574 for a simple reason: these ingredients no longer exist as they did back then. Nevertheless, the team did an inspired job of getting as close as possible to the historical versions of barley, oats, hops, yeast, and even the water. Continue reading “Making Beer Like It’s 1574, For Science And Heritage”

Chugging Along: A Steam-Powered Sawmill Still Makes Its Mark

[Rural Heritage TV] has video of a private tour of a working, two-story, steam-powered sawmill at Lake Itasca, Minnesota. This is believed to be one of the only working steam-powered band-sawmills in the country with a shotgun (or reciprocating) feed carriage. The carriage moves back and forth with a log while a monstrous 44-foot long bandsaw cuts pieces off on every stroke. There’s even a log turning mechanism, because if there’s one thing that never changes, it’s that time is money.

There is great footage of the whole thing in action, and also a serious tour of just how much work was needed to keep such a tool running. For example, in its heyday a machine like this would be swapping bands out for maintenance and sharpening every few hours.

Viewers unfamiliar with such machinery may notice the lack of rims or guard rails on the bandsaw and other belts and pulleys. How do bands stay centered on spinning wheels without falling off? The crowned pulley was the steam era’s solution, providing a means for belts to self-center without any need for rims or other additions.

This tour of the sawmill is a nifty peek at a technology that, at one point, ruled the roost. Watch it in action in the video, just under the page break. If that leaves you hungry to know more, there’s a second video that goes into added detail about saw sharpening and more.

One last tip: if you’re hungry to know more about the history of the steam engine, The Perfectionists is absolutely a book you should read because it goes into fascinating detail about that, and more.

Continue reading “Chugging Along: A Steam-Powered Sawmill Still Makes Its Mark”

Preserving Old Stuff With The Library Of Congress

Take a few moments and browse this gallery from the Library of Congress. Tasked with the job of preserving the roughly 150 million historical items, they are constantly developing new methods using bleeding edge technology. There is an odd balance of some of the oldest documents in tandem with some of the newest technology evident in these pictures. From doing spectral scans of ancient books to laser mapping warped phonographs, everything must be preserved and documented.