There is a strange plastic box mounted to the wall in the galley. It folds down to reveal a handle and a blade but looks like it hasn't been used in decades. What is this thing?

In the heart of many homes, the kitchen serves as a hub of activity and culinary creation. Yet, tucked away in the corners of some older kitchens and galleys, one might stumble upon an odd relic from the past: a strange plastic box mounted to the wall. It may seem out of place in the modern kitchen landscape, yet it holds a fascinating piece of history.

These curious wall-mounted contraptions, often overlooked today, once played a vital role in domestic life. A closer inspection reveals a fold-down mechanism that unveils a handle and a blade, hinting at its former purpose. While it may look like it hasn't been used in decades, this peculiar device tells a story of innovation and culinary convenience from a bygone era.

The wall-mounted box in question often features a faded, off-white or pastel-colored plastic casing, a design hallmark of mid-20th-century kitchen appliances. Its utilitarian appearance is a stark contrast to the sleek, stainless steel gadgets that dominate contemporary kitchens. Measuring approximately 10 inches high and 6 inches wide, it occupies a modest space but its presence is unmistakably anachronistic.

In modern kitchens, where counter space is prime real estate and built-in appliances are frequently high-tech, the presence of such an antique can be puzzling. Its location, often in the galley where efficiency and space-saving are paramount, suggests it was once considered a cutting-edge solution to a common household need.

The wall-mounted food slicer hails from an era when household efficiency was being revolutionized. During the mid-20th century, particularly the 1950s and 1960s, home appliances were designed to simplify everyday tasks. These slicers were particularly popular in the post-war boom when innovations in home technology were rapidly adopted.

Constructed from durable plastic and metal, these devices were designed to last. They were often included in newly built homes as a symbol of modernity and convenience. The fold-down design allowed them to be tucked away, preserving counter space when not in use, a feature that was highly valued in smaller kitchens of the time.

The design of the fold-down slicer is ingeniously simple. When closed, it appears as an unassuming box mounted against the wall. To operate, one would pull down on the front panel, revealing a handle and a blade. The handle, usually made of plastic or wood, was used to apply pressure, while the blade—typically a serrated circular disk—rotated to slice through food.

Users could adjust the thickness of the slices by manipulating a knob or lever, a feature that allowed for versatility in food preparation. The slicer was primarily manual, relying on the user's strength and pressure to operate, which explains the absence of any power cords or electrical components.

The absence of a power cord is a feature rather than a flaw in the design of these vintage slicers. At the time of their popularity, many households did not have abundant electrical outlets in the kitchen, making manual appliances more practical. The handle was essential for applying the force needed to push food through the blade.

Additionally, the manual operation was seen as a safer alternative to electric slicers, which were available but often deemed too powerful or dangerous for regular home use. The simplicity of a manual slicer eliminated the risk of electrical malfunctions and allowed for easy installation without additional wiring.

The wall-mounted slicer was a versatile tool in the mid-century kitchen. Home cooks used it to slice a variety of foods, including bread, cold cuts, cheese, and even some vegetables. The ability to adjust the thickness of the slices made it particularly useful for preparing sandwiches and party platters.

Bread, in particular, was a staple in many households, and the slicer allowed for consistent, even slices, which was not always possible with a traditional bread knife. Cold cuts, often bought in large, unsliced portions, could be easily sliced at home, offering fresh and customizable options for meals.

Several factors contributed to the decline in popularity of wall-mounted slicers. As kitchen technology advanced, electric slicers became more compact and affordable, offering greater convenience and requiring less physical effort to operate. The increasing availability and popularity of pre-sliced bread and deli meats also reduced the necessity for home slicing.

Additionally, changes in kitchen design and the move towards open-plan living spaces made wall-mounted appliances less desirable. As aesthetics and seamless integration became more important, the bulky and utilitarian design of these slicers no longer fit the modern kitchen's sleek and minimalist look.

Safety was a significant concern with these vintage slicers. The exposed blade posed a risk of injury if not handled with care, and the manual operation required users to maintain a firm grip and steady hand to avoid accidents. The lack of safety features, common in modern appliances, meant that these slicers demanded respect and attention during use.

Over time, the components could also wear out or become unstable, increasing the risk of malfunction or injury. Without regular maintenance, the blade could become dull, making it more dangerous and less effective at slicing.

To determine if an old wall slicer is still usable, inspect the device thoroughly. Check for any visible cracks or damage to the plastic casing, and ensure that the folding mechanism operates smoothly without sticking. Examine the blade for signs of rust or dullness, as a sharp, clean blade is essential for safe operation.

If the slicer has adjustable settings, test these to see if they still function correctly. It may be helpful to slice a small piece of bread or cheese to assess the slicer's performance. If the device shows significant wear or does not operate safely, it may be time to consider decommissioning it.

If you decide to keep and use the slicer, cleaning is crucial. Disassemble any removable parts and wash them with warm, soapy water. Use a brush to clean the blade carefully, avoiding direct contact with the sharp edge. Dry all parts thoroughly to prevent rust.

For restoration, consider replacing any worn components, such as the blade or handle, if replacements can be found. Lubricating moving parts with food-safe oil can improve functionality. If the slicer is beyond repair, decommissioning involves safely removing it from the wall and disposing of it according to local regulations, ensuring the blade is securely covered.

Even if the slicer is no longer functional, it can be repurposed as a unique conversation piece. Clean the slicer thoroughly and consider mounting it as a decorative element in the kitchen. Its vintage charm can add character and serve as a reminder of a bygone era in culinary history.

Some creative homeowners repurpose these slicers into wall art or incorporate them into larger design projects, preserving their history while giving them new life. Whether kept for nostalgia or aesthetics, this relic of the past can continue to spark curiosity and conversation among guests.