The metal objects in the photo are **maple sap taps**, also known as **spiles**. They are not old plumbing parts or hardware, but tools used to collect sap from maple trees to make syrup. A spile is inserted into a hole drilled in the tree to direct the sap into a bucket or tubing system.
Sap only flows during a short window in late winter and early spring when temperatures alternate between freezing nights and warmer days. This temperature fluctuation creates pressure inside the tree that naturally pushes the sap outward through the spile.
Historically, metal spiles held buckets hanging directly from the trees. Finding a collection of old metal spiles usually indicates that previous landowners once produced maple syrup or engaged in traditional seasonal farming.
Fresh maple sap is mostly water and must be boiled down extensively, taking about 40 liters of sap to yield just 1 liter of syrup. These simple metal spiles represent an essential tool in a long-standing agricultural tradition that continues today.