History on the Move

Historic sketch of a building being moved. 

Note they used at least six yoke (pairs) of oxen. (click on images to enlarge them)

Charles-Alexandre Lesueur (1778-1846). Le Havre (France), Muséum d’histoire naturelle.

Starting at 9 am on Tuesday, July 29, 2025 (weather permitting) you will be able to see a similar scene to that above when the Jackson Historical Society moves its museum building (the original Jackson Town Hall) about 150 feet to a new location, albeit with modern equipment instead of oxen. 

The building is all jacked up and ready to roll!

Be sure to put this on your calendar! 

Bring a lawn chair and watch the fun from a safe distance across the street

The Conway Public Library's Henney History Room Curator, Bob Cottrell, (and part-time curator at the Jackson Historical Society) will present the library's newest hands-on outreach program about "simple machines" to help explain and interpret the mechanics of the moving operation and to compare tools and techniques of the past and the present. 

This newest outreach program explores some of civilization's most ancient and enduring technologies. 

There are six "simple machines" that date back to ancient Egypt, Greece and Rome. They are the lever, incline plane, screw, wedge, pulley, and wheel and axle. We will look at how these tools work and the mathematical principles involved in calculating the mechanical advantage they provide.

The Conway Public Library offers a number of free outreach programs on historical topics to local schools and community groups. 

In addition, stone mason Michael Callis, who has presented several programs at the Conway Public Library on the secret meaning of symbols used during the fight for American independence, will explain stone working tools and techniques used to split and shape the stone that served as the original building's foundation. Some of this stone will be incorporated into the building at its new location.

These interpretive stations are on a drop by basis, with no real start or finish to the interpretation. You can spend as little or as much time as you want. 

While it might seem astounding to us today, it was actually quite common in the past to move buildings.

It made a lot of sense back then and still does today. This adaptive reuse is part of the Yankee ethics of “Use it up, wear it out, make it do, or do without.”

Our motto is "raise the building, don’t raze it." 

The Jackson Town House was built in  1879. When the town moved their offices to another building, it was adapted by the Jackson Historical for their museum. 

The move follows a successful fundraising campaign, however due to unforeseen additional costs, in large part to massive stones found under the building that were in the way, they need additional funds to complete the project. 

The building needed to be moved away from the erosion of the nearby river bank. For more info on other reasons to move the building and the fundraising campaign see the following links:  

JHS website here. 

NH Preservation Alliance "Seven to Save" list here and scroll down to the Jackson Town Hall. 

From there you can watch a great video or go directly to this link here. 

Many local town histories relate tales of moving buildings. In his book, “Big House, Little House, Back House, Barn: The Connected Farm Buildings of New England,” 1984, Thomas C. Hubka provides an excellent historical and technical context to the practice of moving buildings in New England. 

According to Hubka, the tradition of moving buildings was “a particularly American, and specifically New England, building phenomenon."

In her 1832 book “Domestic Manners of the Americans,” Frances Trollope relates “One of the sights to stare at in America is that of houses moving from place to place. We were often amused by watching this exhibition of mechanical skill in the streets. They make no difficulty of moving dwellings from one part of the town to another. Those I saw travelling were all of them frame-houses, that is, built wholly of wood, except the chimneys; but it is said that brick buildings are sometimes treated in the same manner. The largest dwelling that I saw in motion was one containing two stories of four rooms each; forty oxen were yoked to it.”

New England farmers were well prepared for the task. They had experience logging and had perfected the art and mystery of moving logs on skids and wagons with the aid of oxen and horses. They could easily adapt their wood-hauling technology to the movement of buildings. They had the tools and they understood the math and physics of the six simple machines known by the ancient Greeks and Romans.

Most buildings of the time were built with a structural system that allowed for the unusual stresses of being moved. There was no plumbing or electrical systems to work around. While they were transitioning to a more modern, lighter weight balloon framing system, at the end of the 19th century, they still maintained many elements of the earlier heavier timber framing tradition with its mortise and tenon joints, heavy sills, posts, rafters and purlins that could stand up to being moved.

Here are the six simple machines

Thanks to our friends at the Freedom Historical Society (FHS) we will have historical examples of tools using these simple machines. Borrowing items from the FHS is part of long-term, ongoing partnership between the Conway Public Library's Henney History Room and the FHS (where Bob serves as a consulting curator),  for outreach including regular sessions at the Conway Adult Day Center and local schools and community groups. 

For more information on the FHS follow this link here. 

Let's start with the screw. 

In the past screw jacks were used to lift the buildings vertically.  

Today the screw jack has been largely replaces by hydraulic jacks. 

I am indebted to Jackie Conners, JHS webmaster Extraordinaire, for many of these photos.

For more information on Gary Sylvester's company follow this link here. To look at the progress done with the building to date follow this link here. 

While the principles involved in hydraulic jacks also date to ancient times, and the portable hydraulic jack was first patented in 1851, Sylvester's moving company still employs the screw in a number of different applications. 

Screw and lever combination used too secure building elements together

Bolt screw with large nut, and C clamp

A screw can be seen in the anchor shackles at the front of the wheel and axle sets above. Below is a detail of that image. 

The screw principle can be seen in the large turnbuckles used in the past to reinforce the walls from splaying. 

 

The wooden framing was added by Gary Sylvester to stabilize the building during the move. 

 

Pulley

Now to the pulley. 

In the past, pulleys were used to pull the buildings horizontally.  

Our interpretive station will provide an opportunity to study an historic pulley system up close and examine its working parts. 

Today mechanical winches have largely replaced pulleys, 

The whole building will be rolled to its new location using the wheel and axle. 

Wheel and axle

Inclined Plane

Then the building will be rolled down an inclined plane to its new location... 

... where a new concrete foundation has been poured

Thanks to our friends at the Cathedral Ledge Distillery, we will have a barrel for folks to experiment with to help understand the mechanical advantage provided by the inclined plane. 

This is actually a combination of two simple machines in operation as the barrel itself functions as a wheel and axle. 

For more info on the Cathedral Ledge Distillery follow this link here. 

Lever 

The lever plays a key role in working with stone. Michael Callis will explain the lever and other stone working tools used to split and shape stone like that which served as the original building foundation and will be incorporated into the building at its new location.

These stones were removed from the old foundation have been numbered so they can be placed back in the order they were in the original foundation. 

Michael will also explain those mysterious tool marks seen on many of the stones. 

Hint: They were made with a wedge. 

Michael will also explain how stones are arranged like a puzzle to create a stone wall for the foundation. 

In this photo you can see the foundation wall of rough stone and the finished cap stones. 

Here is a useful guide to the fascinating way the stones are seen and named by the stone mason. 

We will also look at the mathematics behind the mechanical advantage that the simple machines provide. You can actually math out the physics with these formulas to calculate the effort and force involved. 

As we got into the project, we discovered significant problems with a rotting wooden sill. 

You can see from the picture above the large dimensions of the original posts and beams. 

A modern 2x4' board was not going to fix this. 

Here is the replacement sill

There is an interesting story behind this sill beam. That is not something that you can easily pick up at Home Depot. 

So with the approval of our friends at the Upper Saco Valley Land Trust (USVLT) our intrepid "hamsters" went into the Dundee Forest and cut down an appropriate tree. 

"Hamsters" is an affectionate term we use for the folks involved in another Jackson HS related project, the Ham House in the Dundee Forest (left to right: David Shed, Anne Pillion and Stephen Weeder). 

The Ham House is also on the NH Preservation Alliance "Seven to Save" list. FMI on the NH Preservation Alliance "Seven to Save" list follow this link here and scroll down to the Ham House, Jackson. 

From here you can watch a great video or go directly to this link here. 

In these pictures and videos, Stephen Weeder and David Shed, with the green light from USVLT, take on the Dundee Community Forest, wielding an antique hand ax and saw to expertly fell a tree! The two trees were carefully selected, away from sensitive areas. 

This was not a commercial harvest but a collaboration between JHS and USVLT. The timber, now masterfully sawed, has been installed on the Town Hall, marking a historic moment in the making, and a great example of historical continuity in the building trades. 

The felled tree was sawn into a beam. 

For more information on the Dundee forest follow this link here.  

For more information on the USVLT forest follow this link here.  

A good place to study timber framing is at the Cathedral Ledge Distillery check out their building at this link here.

Now to the interior finish work. The original windows are being removed to be restored with historically accurate techniques by Jason Earle of Effingham's Rooster Productions. Jason has worked on numerous restoration projects with the NH Preservation Alliance. 

While the moving operation has been carried out by Gary Sylvester's company, it has in fact, been carefully supervised by the students at the Jackson Grammar School, located across the street from the building. 

Heigh Ho, Heigh Ho, its off to work we go

So don your hard hat, and be part of the fun. We hope to see you at the event. It promises to be a very moving experience!

Summer 2025 The Shape of Time

The summer solstice will occur tonight at 10:42 pm Eastern Time for the Northern Hemisphere. It will be the longest day and shortest night of the year. The word solstice is derived from the Latin sol ('sun') and sistere ('to stand still') as the sun appears to stop as it reaches its highest spot in the sky for the year and then slowly returns to its lowest spot for the winter solstice.  

 

This annual event has been celebrated by many cultures for thousands of years.

Many monuments have been built around the world to mark the event such as Stonehenge in England, Chichen Itza in Mexico, Machu Picchu in Peru, Chaco Canyon in New Mexico, Serpent Mound in Ohio, Newgrange in Ireland, and the Pyramids in Egypt. The oldest known may be Gobekli Tepe in Turkey. 

While you can not actually see time, these structures were an attempt to document and calculate the passing of time in a physical form resulting in unique and distinctive structures. 

Another shape of time can be found on model globes of the earth. 

The figure eight shaped analema diagrams the position of the sun in the sky as viewed from a fixed location on earth at the same time each day throughout the year. 

Due to the earth's tilt the sun appears very high in the sky during the summer and low in the sky in winter. In addition to this north-south variation, there is a slight east-west variation as well. The result of these changes is that the shadow of the Sun's location at noon makes an elongated figure eight shape.

You can see the earth's tilt on the model globe. 

It is that tilt that creates the seasons. 

The orrery, as seen in this painting by Joseph Wright of Derby, was created to help explain the relationship of the sun and planets in the solar system. 

Historians have created various designs to link the seasonal changes with traditional patterns of farm life (click on images to enlarge them).

Robert St. George conceived of time as a circle or cycle. 

Thomas Hubka envisioned time in a linear form. 

The Conway Public Library's Henney History Room offers a number of free public outreach programs related to the shapes of time to local schools and community groups. You are also welcome to drop by the history room and talk about time, any time. 

 

Big Bird Day

No, I am not referring to the one above. 

I am referring to the bird that was threatened with extinction below. 

Today is world migratory day. FMI follow this link here. 

I want to use this opportunity to promote an upcoming program to be presented by the Pontine Theatre at the Conway Public Library Thursday, May 22, 2025 from 6-7 pm. 

They will use a "toy theatre" like the one above in their unique approach to storytelling. You can find more info on the program here. 

They will  present original adaptations of two stories by two New England authors. In a previous blog here, we looked at Robert Frost’s The Star Splitter. 

This blog focuses on Sarah Orne Jewett’s A White Heron. Published in 1886, it is often seen as a coming of age story about a young city girl, Sylvia, who comes to live with her grandmother in the country. She meets a young ornithologist who is hunting a rare bird he recently spotted in the area. Sylvia wants to please the young man by revealing the heron’s location, yet doesn’t want him to take its life. In the end, she embraces her passion for country life and the natural world around her.

I want to focus more on the bird than the girl for now. First, there is some question about exactly which white heron they are talking about. There are actually a number of bird species referred to as a white heron including Great Egrets and Snowy Egrets. In either case, they are "snow birds" that migrate between Florida and Maine. 

Why is the young man hunting for birds? In the context of the story, he refers to his collection of stuffed birds. 

John James Audubon was also known for shooting and stuffing birds to use as models for his artwork. 

Let's follow the Audubon connection is a different direction. The Audubon Society was founded by two Boston socialites in response to the late 19th century fashion craze for hats decorated with bird feathers.

White Herons were particularly valuable for their plumage.

One of the Boston ladies who helped found Audubon and save/ protect these birds has a local connection to the greater Mount Washington Valley in NH.  

Harriet Lawrence Hemenway, seen in this 1890 portrait by John Singer Sargent, was one of the Boston ladies who helped found the Audubon Society. Hats off to her!

 

No I did not spell it wrong. For more on that "Hemingway," see our previous blog about Chocorua's Hemingway here.  

 

There are two children's books about Harriet Hemenway and her struggle to protect the birds. While not in the collection of the Conway Public Library, we can get them for you through interlibrary loan (ILL).

 

 

 

Recently the library hosted a program by David Govatski about big trees. He pointed out that many big trees can be found in the Big Pines area of the Hemenway State Forest in Tamworth which Harriet and and her husband helped establish. FMI see this link here and here.