Iron key dating
This section of the Historical Locks website covers over 200 industry and vernacular terms and definitions in the narrow field of locks and keys. U-shaped piece of iron or steel with pointed shanks, usually used with a lock hasp. The original purpose of door rings was surely to serve as a handle for opening the door, but they could also be used to knock at the door, which later became their primary use. When you press the button, the magnet turns the striking plate aside so that the bolt can be drawn and the door can be opened. The method has been used in Sweden since the Vasa Era. At the bottom were openings for tapping (emptying out) slag and ore, and a nozzle or tuyere for blasting in air using water-powered bellows. Similar keys were used throughout the Middle East, including Egypt and Israel. From the Vasa Renaissance on, spring latches became common on doors, closets and cupboards. Barrier lock based in part on the Chubb lock principle, with a handle, latch bolt and locking bolt in the same housing. Various types of springs could also be used in the locks on doors and chests. To unlock it, a giant, bent metal key was inserted through a hole in the door to move the bar. The Museum of National Antiquities in Stockholm has eight Viking-Era keys with the same appearance, all from archeological digs in the Värnamo region.Locking mechanisms often involve complex technology that we rarely consider in everyday life. When the bolt is shot back into closed position, the current is broken and the striking plate becomes immobile again. The process began by filling the bottom of the furnace with charcoal, followed by a mix of crushed, roasted ore and charcoal. The key was inserted through a hole in the door and the teeth on its bit moved the bolt. They can have one or more spring-loaded latch bolts with a beveled front edge to allow the latch to be pushed in by the door and then snap out again into the door jamb. Prior to 1600 they were V-shaped; after that they were spirals. To shoot the bolt, you pulled a small rope or leather strap to slide the bar into the bracket on the door frame. A permanently mounted lock body with a sliding bolt. For more information, see the article on ABCDEFGHIJKLMNOPQRSTUVWY Ward. Protrusions or obstructions, usually mounted in lock fittings or in the keyway.There is a suspicion - no more given the surface condition - of a vertical cleft in the middle of the bit. The rectangular bit is set at right angles to the bow and is in the shape of a forward facing angular S with two narrow clefts, one from each edge. However, the majority of the bow is missing and comprises only a downwards projection which terminates in a worn break. The bow is roughly 'D-shaped', the end of the stem connecting separately to each end, creating a hollow in between.The object is entirely covered in corrosion products, and the undisrupted state of this thick coating may suggest the form of the object to be well preserved. The stem is badly corroded, but is essentially sub-circular in cross-section and has a projecting tip beyond the bit. At the opposite terminal the bit is formed of two downwards pointing projections, rectangular in cross-section, both of which terminate in worn breaks. The key has a 'D' shaped' bow at the end of the circular cross sectioned stem. The bit has two projections in the form of rectangular uncrossed G shapes facing each other. The bit of the key, which is broken, extends at right angles from the shaft. Further fragments of teeth were found in association with this object. The attachment loop has an external diameter of 22mm. A large iron key, probably dating from the Medieval period, AD1400 - 1550. Similar keys, attributed to the fifteenth and early sixteenth centuries, are illustrated in Wheeler, 1940, London Museum Medieval Catalogue, page 135, number 7B, and again in plate XXXI of the same catalogue, numbers… This key weighs 83.29g, has a length of 138.4mm, maximum thickness of 12.5mm and height of 55.4mm.Many variations of this kind of key have been found in archeological digs in Greece and elsewhere. Used with combination locks to hamper attempts to open it without the correct combination. A bar can be placed in two brackets attached to the door or on both sides of it, then slid back and forth, or into a recess in the wall. The front edge often has an eyelet closure that can be padlocked. The modern bicycle with chain-operated gears and air-filled tires was conceived and developed in the 1880s, and was fitted with a lock almost from the start. There are also scanners for personal codes, fingerprints, voice or retinal patterns. A method of decoration in which grooves are cut into a metal (or wood) surface with a sharp cutting tool called a burin or graver. Usually a forged key for a wooden sliding-bolt lock. However, in public places only trained locksmiths on duty are allowed to carry picks. Masterpieces were given three stamps on passing inspection. In and around it were over 200 smith’s tools and iron objects. These locks open and close via a key with a long, narrow bit at a right angle to the shaft (latch-lifter), which is inserted into a hole above the bolt and turned. In the Middle Ages, fines were the most common punishment for theft, and one that was not considered dishonorable. A type of padlock with ward springs and a screw mechanism that compresses the springs. The key is small, thin and easy to carry in a pocket or key case.Can consist of buttons or bars that must be positioned before the rings in the lock can be turned. Locking a door with a beam is the oldest locking principle and was invented along with the door. The earliest locks consisted of a chain and a lock with a key. Padlock with a chain to protect valuable, handwritten books in Cloisters from theft in the Middle Ages. The electronic code is read by the scanner, processed by the control unit, which checks it against the preprogrammed code and then sends a signal to the motor-powered bolt or latch, electromagnetic bolt or handle, or electronically controlled striking plate. There is no raised edge, as there would be with impressing. These locks open and close via a key with a long, narrow bit at a right angle to the shaft (latch-lifter), which is inserted into a hole above the bolt and turned. The first time lock picks and unpickable locks are mentioned in connection with Swedish locks is in the marketing of Christoffer Polhem’s padlocks, called Polhem or Scandinavian locks. Often they went on to be included as works of art in fancy armories or curio collections. A thin lock housing that is inserted and fastened in an opening (mortise) in the front edge of the door. The key bit moves the bolt using the notches, pins or holes on the bolt. Many local smiths in the Swedish province of Dalarna made special iron “pull locks” for storehouses and lofts. More severe cases could be punishable by flogging, the cutting off of one or both ears or a hand, or death by hanging. The safety of these locks has increased from the original four pins to today’s seven.It is in fact still used today, so the concept of “bolted and barred” is still relevant. Padlocks with an extra long shackle were also sold; one of Sweden’s earliest mail-order companies, Åhlén & Holm, offered one in its 1899–1909 anniversary catalogue: “Velocipede lock no. To enclose one branch of the front fork and a few spokes, or the pedal crank arm and the adjacent frame arm.” Padlocks with an extra long shackle are still in use a century later. For production of malleable iron using one or two blowers. Decoration and rust protection of iron or steel surfaces. The engraved line is soft and unbroken, while the impression is composed of a series of pressed-in markings. Farmer Erik (or Erich) Persson (1707–1794) lived in Bollsjö in the parish of Folkerna in the province of Dalarna in central Sweden. Two or more pieces of iron are heated white-hot and can then be joined by striking with a hammer or maul. The keys to the city gates were a symbol of the inhabitants’ right to self-determination. Swedish King Erik XIV’s Key to the Kingdom is a symbol of power and a part of the royal regalia. The key bit moves the bolt using the notches, pins or holes on the bolt. In cities in Sweden and elsewhere in Europe, apartment buildings could have communal lavatories in the corridors, or rows of outdoor lavatories in the courtyards as late as the 1940s, built in the latter half of the 19th century. A lock is a mechanical device used to prevent the opening of a door, etc., without the proper key. The long locks are often signed and decorated with etching and rounded embossments. Even the loss of an ear made the perpetrator’s shame permanently visible. The law rolls of the Swedish Provinces were written down in the 13th century. This early medieval legislation distinguishes generally between wrongs committed against the social order and those committed against individual interests. An early 1850s lock design by renowned American locksmith Alfred Charles Hobbs, who was the first man to be able to pick the “unpickable” six-levered Chubb detector lock at the 1851 World Fair in London (the Great Exhibition). Roman key designed to be worn on the finger as a ring.
These days, we use the word “key” quite broadly—it can refer to the magnetic cards that lets us into buildings or even the computer passwords that allow access to our own data.The shank tapers from the loop to the bit, which is curved to a near right-angle from the shank.There are three upright rectangular bits projecting from the shank bit, all of which show signs of use. Similar examples are illustrated in Ward-Perkins (199 figure 45). A complete Post Medieval iron key dating to the 16th century.Locks and keys have managed to infuse themselves into every aspect of our lives.We see them everywhere and we use them all the time!
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A complete iron key for a barrel padlock, dating to the medieval period.