A razor is a bladed tool that people use to shave hair from various parts of the body. There is evidence indicating that razors were in existence before the Bronze Age. Obsidian and bronze were the major materials used to make these tools in most ancient worlds. They were oval-shaped with tangs protruding from the short end. The ordinary razors in use today were invented in the eighteenth century, with electric models coming up in the 1960s.
These products have evolved a lot because of technological advancements. The modern market has a lot of cheap razor blades one can pick from. Some great examples of these products are electric razors, straight razors, and disposable razors. The invention of the various types of razors occurred at different times and they have also evolved differently into what they are today.
Before the advent of the twentieth century, the most common kind of razors were the straight razors, which are also known as cut-throats. These razors are composed of a blade that is sharpened on one edge. The blade is made of two main materials, that is, stainless steel or carbon steel. Stainless steel holds an edge longer and is slower to strop and hone. One the other hand, carbon steel hones and strops faster, but the edge is less durable.
Producers still make both stainless steel and carbon steel blades. However, stainless steel blades are harder to find. These razors rotate between two protective scales on a pin. The scales exist to protect the blade from damage and the skin from cuts when the device is folded. Handle scales are made from various materials, including celluloid, plastic, bone, mother-of-pearl, and wood. Ivory was once in use, but its use was stopped.
Disposable blade straight razors resemble straight razors in appearance and use. However, the blade they use is disposable. The blade may be single-edged or double-edged blades which are cut into half. There is no need for stropping and honing in these varieties. Razors wear out faster, but useful life of the blade can be lengthened through goo care. Part of good care involves drying well after use.
Safety razors are designed to protect the skin from cuts from all parts of the equipment, but the edge. Jean-Jacques Perret is credited with inventing it in 1762. Safety razors have similar designs as straight razors, with the difference being that their blade is enclosed in sleeves. The skin is protected by safety bars in modern varieties. Double-edged and single-edged models are the two types of safety blade in existence.
Electric razors also go by the name electric dry shavers. These models have an integral oscillating or rotating blade. They run on tiny DC motors, which derive their power from either batteries or electrical energy from the mains. Water, shaving cream, and soap are not necessary when using these devices.
Invention has led to the development of new electric razors that rely on rechargeable batteries for power. Rechargeable batteries may be alternated with electro-mechanical oscillators that are driven by AC-energized solenoids. The oldest models of electric razors were powered by hand. Flywheels in the devices were driven by pulling a cord by hand.
These products have evolved a lot because of technological advancements. The modern market has a lot of cheap razor blades one can pick from. Some great examples of these products are electric razors, straight razors, and disposable razors. The invention of the various types of razors occurred at different times and they have also evolved differently into what they are today.
Before the advent of the twentieth century, the most common kind of razors were the straight razors, which are also known as cut-throats. These razors are composed of a blade that is sharpened on one edge. The blade is made of two main materials, that is, stainless steel or carbon steel. Stainless steel holds an edge longer and is slower to strop and hone. One the other hand, carbon steel hones and strops faster, but the edge is less durable.
Producers still make both stainless steel and carbon steel blades. However, stainless steel blades are harder to find. These razors rotate between two protective scales on a pin. The scales exist to protect the blade from damage and the skin from cuts when the device is folded. Handle scales are made from various materials, including celluloid, plastic, bone, mother-of-pearl, and wood. Ivory was once in use, but its use was stopped.
Disposable blade straight razors resemble straight razors in appearance and use. However, the blade they use is disposable. The blade may be single-edged or double-edged blades which are cut into half. There is no need for stropping and honing in these varieties. Razors wear out faster, but useful life of the blade can be lengthened through goo care. Part of good care involves drying well after use.
Safety razors are designed to protect the skin from cuts from all parts of the equipment, but the edge. Jean-Jacques Perret is credited with inventing it in 1762. Safety razors have similar designs as straight razors, with the difference being that their blade is enclosed in sleeves. The skin is protected by safety bars in modern varieties. Double-edged and single-edged models are the two types of safety blade in existence.
Electric razors also go by the name electric dry shavers. These models have an integral oscillating or rotating blade. They run on tiny DC motors, which derive their power from either batteries or electrical energy from the mains. Water, shaving cream, and soap are not necessary when using these devices.
Invention has led to the development of new electric razors that rely on rechargeable batteries for power. Rechargeable batteries may be alternated with electro-mechanical oscillators that are driven by AC-energized solenoids. The oldest models of electric razors were powered by hand. Flywheels in the devices were driven by pulling a cord by hand.
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