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 | Electronic Access Small Pistol Box Handgun Safe Vault Home Security BLACK NEW |  |  | US $55.99 | 22d 4h 56m |
 | Drawer Safe w/ Electronic Lock Security Pistols Ammo Cash Home Office Safe Vault | | | US $55.99 | 28d 21h 38m |
 | Wall Safe w Electronic Lock Home Office Steel Vault Pistol Ammo Valuables Secure | | | US $105.99 | 27d 14h 30m |
 | NEW MINI BIOMETRIC DELUXE VAULT HAND GUN or PISTOL SAFE by GUN VAULT | | | US $175.00 | 19d 23h 59m |
 | Stack-On QAS-1000 Safe Box Drawer Electronic Pistol Firearm Vehicle Vault Lock | | | US $121.97 | 7d 14h 33m |
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Safe Pistol Vault
Brinks security special treatment bad?
Today I saw a Brinks security officer walk into a bank with a pistol strapped to his side, and an empty bag in the other hand. He got no special looks from the people inside and never even got questioned from the clerk. He walked straight through their little half door and walked out a few moments later with a full bag and left. If a perp wanted to rob a bank wouldn't this be the easiest way to gain access to the vault/safe or wherever their money is held? Am I the only one that sees this as an issue?
Brinks drivers are running a specific route, and the bank employees see the same guy every trip. You can bet the farm that if the security guard didn't recognize the Brinks guy, he would have been stopped.
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| Electronic Access Small Pistol Box Handgun Safe Vault Home Security BLACK NEW | | | US $55.99 | 22d 4h 56m |
| Drawer Safe w/ Electronic Lock Security Pistols Ammo Cash Home Office Safe Vault | | | US $55.99 | 28d 21h 38m |
| Wall Safe w Electronic Lock Home Office Steel Vault Pistol Ammo Valuables Secure | | | US $105.99 | 27d 14h 30m |
| NEW MINI BIOMETRIC DELUXE VAULT HAND GUN or PISTOL SAFE by GUN VAULT | | | US $175.00 | 19d 23h 59m |
| Stack-On QAS-1000 Safe Box Drawer Electronic Pistol Firearm Vehicle Vault Lock | | | US $121.97 | 7d 14h 33m |
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 | Gunvault Nano Vault 300 Gun Pistol Safe Combination NV300 | | | US $32.67 | 25d 2h 4m |
 | New! GunVault Nano Vault 300 TSA Combination Lock Steel Gun Pistol Safe! NV300 | | | US $32.67 | 14d 18m |
 | NEW Gunvault Nano Vault 200 Gun Pistol Safe NV200 | | | US $23.99 | 25d 2h 4m |
 | SECURE VAULT TOP LOADING ELECTRONIC PISTOL HANDGUN FIREARM SAFE 33018 | | | US $89.95 | 12d 16h 22m |
 | GunVault GV 1000 Micro Vault Pistol Safe Gun Vault Minivault - NEW IN BOX!! | | | US $84.99 | 12d 18h 4m |
 | Pistol Gun Vault Handgun Biometric Fingerprint Safe Box | | | US $99.99 | 18d 6h 44m |
 | Beretta Quick Defense Pistol Vault Gun Safe LB1000 New | | | US $149.99 | 28d 1h 56m |
 | New Bulldog Car Vault Pistol Safe Lock + Cable & Mounting Hardware BD1100 | | | US $22.99 | 20d 21h 42m |
 | GUNVAULT GV2000-DLX DELUXE MULTIVAULT GUN SAFE PISTOL VAULT GV2000C-DLX GV2000 | | | US $150.99 | 1d 23h 36m |
 | GUNVAULT GV2000C-STD MULTIVAULT GUN SAFE PISTOL VAULT | | | US $123.99 | 18d 15h 53m |
 | SECURE VAULT FRONT LOADING ELECTRONIC PISTOL HANDGUN FIREARM SAFE 33013 | | | US $89.95 | 12d 16h 11m |
 | Bulldog Standard Digital Pistol Vault Gun Safe BD1050 | | | US $58.95 | 17d 3h 22m |
 | Gunvault Micro Vault MVB500 Biometric Pistol Gun Safe | | | US $159.09 | 25d 2h 3m |
 | GUN VAULT NANOVAULT 300 PISTOL HANDGUN FIREARM SAFE | | | US $42.95 | 27d 23h 55m |
 | Bulldog Cases Pistol Vault Safe 7"X12"X10" Matte Digital Lock BD1050 | | | US $61.33 | 27d 14h 58m |
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| | VLine 51653CVPR Pistol Rack for Closet Vault $34.45 The closet vault has a pegboard door panel option and with the purchase of the pegboard you can add the pistol rack and the gun caddy. The pistol rack helps provide more space by adding storage on the door and not directly inside the safe. Rubber coated hanger for pegboard door panel. Pegboard must be included in order for the pistol rack to be useful. |
| | GunVault MVB500 Microvault Biometric Pistol Gun Safe $280.68 Microvault Biometric. Manufacture ID: MVB500. The unique notebookstyle design allows you to take your handgun or vaulables with you. Incredibly compact and lightweight this safe will fit nside a briefcase or daypack and can be quickly accessed with GunVaultamp;rsquo;s Biometric technology (Uses fingerprint recognition to access safe contents). Specifications:. Weight: 5 lbs. External Dimensions (W x H x D): 11 x 8 1/2 x 2 1/4 . Internald Dimesions (Wx H x D): 10 3/4 x 6 1/2 x 2 . Features:. Outside is constructed of heavygauge steel. Soft foam on the inside to protect the pistol. Highstrength lock mechanism performs reliably time after time. Precise fittings are virtually impossible to pry open with hand tools. Builtin computer blocks access after repeated invalid keypad entries. Conveniently located keypad is easy to use. Unique NoEyes Keypad allows for quick access. Compatible with the Security Cable (Includes 4 ft. cable). Mounts almost anywhere. Four predrilled holes on bottom of vault |
| | Gunvault MV500STD Microvault Pistol Gun Safe Black $132.73 Gunvault pistol safes are truly premium products that set the standard for the rest of the industry. patented NoEyes Keypad and Biometric pad provide lightingquick access even in the dark. Choose the Micro Mini Multi or Bio Vault when you need quick access storage for your handgun. We know that security and reliability are prevaling priorities when you need products and that s why gunVault pistol safes have the features you want: Improved high strength lock mechanism. Precise fittings virtually impossible to pry open with hand tools. Over 12 million user selectable access codes available. Audio feedback instantly confirms correct keypad entries. Audio disable feature allows stealth mode operation. Battery power for maximum security and easy portability. Tamper indicator notes invalid entry attempts. Built in computer blocks access after repeated invalid keypad entries. GunVault Biometric Technology: GunVault Bio uses biometrics specifically fingerprint recognition to access the safe contents. A highperformance algorithm is used to achieve speedy identification of enrolled fingerprints; and at the same time has a very low False Reject rate (FRR) for a given False Accept Rate (FAR). This selflearning algorithm of the GunVault Bio adds new minutiae to the fingerprint templates each time a user touches the finger print sensor which decreases the likelihood of FRR updates slight changes that might occur over time to an enrolled fingerprint as well as to help distinguish variations. System can handle a maximum of thirty fingerprint templates between the enrolled fingerprint. The outside of the Microvault is constructed of heavygauge steel with soft foam on the inside to protect the pistol. Highstrength lock mechanism performs reliably time after time. Precise fittings are virtually impossible to pry open with hand tools. Builtin computer blocks access after repeated invalid keypad entries. Conveniently located keypad is easy to use. Mounts almost anywhere. Four pre |
| | GunVault MV500STD Microvault Pistol Gun Safe $132.73 Microvault Standard. Manufacture ID: MV500STD. The unique notebookstyle design allows you to take your handgun or vaulables with you. Incredibly compact and lightweight this safe will fit nside a briefcase or daypack and can be quickly accessed with GunVaultamp;rsquo;s NoEyes keypad. Specifications:. Weight: 5 lbs. External Dimensions (W x H x D): 11 x 8 1/2 x 2 1/4 . Internald Dimesions (Wx H x D): 10 3/4 x 6 1/2 x 2 . Features:. Outside is constructed of heavygauge steel. Soft foam on the inside to protect the pistol. Highstrength lock mechanism performs reliably time after time. Precise fittings are virtually impossible to pry open with hand tools. Builtin computer blocks access after repeated invalid keypad entries. Conveniently located keypad is easy to use. Unique NoEyes Keypad allows for quick access. Compatible with the Security Cable (Includes 4 ft. cable). Mounts almost anywhere. Four predrilled holes on bottom of vault |
| | Bulldog Standard Digital Pistol Vault, 7"x12"x10" $71.99 Bulldog standard digital pistol vault 7"x12x10" 12-digit keypad to create personal combination Secure hidden key override Pre-drilled mounting holes Soft bottom carpet protects your gun's finish 2.75" steel locking bolts on door Low-voltage LED interior light Tamper Alarm for extra security Steel construction Black matte finish Incl. mounting hardware Keep your guns safe with this pistol vault. Great for airguns, firearms and even airsoft guns. Make sure they stay out of the reach of children and others who shouldn't have access. Bulldog vaults offer quick access and a key bypass in case you forget the combination. |
| | Vault $9.49 Vault |
| | Biometric Pistol Safe Biometric Pistol Safe $289.99 16 gauge steel housing Foam lined interior Tamper-proof spring-loaded door Mounting gear included Interior courtesy light Power connection jack for external AC power supply Audio and led low battery warning Conveniently located keypad Features bio fingerprint sensor for fast & codeless access Mfg: Gunvault SPECS: 10.1" x 7.8" x 14" 15lbs. |
| | Main Room of a Bank Vault with Walls of Safe-Deposit Boxes, c.1890 $39.99 Main Room of a Bank Vault with Walls of Safe-Deposit Boxes, c.1890 - Giclee Print |
| | Nanovault Pistol Safes Nanovault 100 Pistol Safe $19.99 Interior top and bottom lined with 1/2" thick memory-fitting foam 20-gauge steel construction Easy to operate key lock system Supplied w/ 1500 lb test security cable Cases meet TSA airline firearm guidelines Mfg: Gunvault SPECS : NV100 - 1.14 oz. 8.25" x 6" x 1.75". |
| | Nanovault Pistol Safes Nanovault 200 Pistol Safe $22.99 Interior top and bottom lined with 1.25" thick memory-fitting foam 21-gauge steel construction Easy to operate key lock system (Model 100 & 200) Three-digit combination lock (Model 300) Supplied w/ 1500 lb test security cable Cases meet TSA airline firearm guidelines Mfg: Gunvault SPECS : NV100 - 1.14 oz. 8.25" x 6" x 1.75". 1.14 lbs. NV200 - 9.5" x 6.5" x 1.75". 2.12 lbs. NV300 - 9.5" x 6.5" x 1.75". 2.12 lbs. |
| | Nanovault Pistol Safes Nanovault 300 Pistol Safe $29.99 Interior top and bottom lined with 1.25" thick memory-fitting foam 21-gauge steel construction Easy to operate key lock system (Model 100 & 200) Three-digit combination lock (Model 300) Supplied w/ 1500 lb test security cable Cases meet TSA airline firearm guidelines Mfg: Gunvault SPECS : NV100 - 1.14 oz. 8.25" x 6" x 1.75". 1.14 lbs. NV200 - 9.5" x 6.5" x 1.75". 2.12 lbs. NV300 - 9.5" x 6.5" x 1.75". 2.12 lbs. |
| | VLine 51653CSGC Gun Caddy for Closet Vault $54.08 Mounts to either inner side wall of Closet Vault. Includes Pistol Rack PRCV. |
| | Cannon Safe PISTOLKIT Door Panel Pistol Kit $114.08 Keep your handgun collection organized and safely hidden away with this door panel pistol kit. This kit is for safes without compatible door panels or for those wanting to protect the interior material on their door panel. One size fits all. Can securely hold up to six pistols. |
| | HitchSafe Key Vault - Trailer Hitch Key Lock by Hitch Safe $83.94 Trailer Hitch Accessories by HitchSafe. HitchSafe Key Vault Features - Turn your hitch receiver into a mobile vault with the HitchSafe Key Vault. Store multiple keys, credit cards or licenses in the 1.25" W x 3. 5625" L x 1.75" H drawer. Fits most standard 2" hitch receivers. Installs quickly without tools. Crafted from solid, rust-resistant high-impact aluminum alloy with chrome-plated brass dials. HitchSafe Key Vault - Trailer Hitch Key Lock by Hitch Safe. For the top selection of HitchSafe Trailer Hitches shop online today. The HitchSafe Key Vault - Trailer Hitch Key Lock by Hitch Safe will improve and personalize your vehicle. Trailer Hitch Accessories by HitchSafe - selected by many auto enthusiasts in the top automotive discussion forums. HitchSafe Key Vault for your vehicle will deliver the results you are looking for! HitchSafe Key Vault - Trailer Hitches - Trailer Hitch Accessories. |
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New ad for Pistol safes from V-Line
When was the battery invented?
When was the battery invented?
One of the most important discoveries in the last 400 years has been electricity. You may ask, "Has electricity been around that long?" The answer is "yes", and perhaps much longer. Surprisingly, electricity only became useful to humanity in the late 1800s.
Figure 1: Prehistoric batteries
Clay jar with iron rod surrounded by copper cylinder. When filled with vinegar + an electrolytic, solution produces 1.1 volts DC (circa. 250 BC to 640 ADO).
It is believed that the Parthians who ruled Baghdad (circa 250 BC) used batteries to electroplate silver.
The Egyptians are said to have electroplated antimony onto copper over 4300 years ago.
The earliest known methods of generating electricity were by creating a static charge. Alessandro Volta (1745-1827) invented the so-called "electric pistol" by which an electrical wire was placed in a jar filled with methane gas. By sending an electrical spark through the wire, the jar would explode.
Volta then thought of using this invention to provide long distance communications, albeit only one Boolean bit. An iron wire supported by wooden poles was to be strung from Como to Milan in Italy. At the receiving end, the wire would terminate in a jar filled with methane gas. On command, an electrical spark is sent by wire that would cause a detonation to signal a coded event. This communications link was never built.
Figure 2: Volta and his battery.
In 1800, Alessandro Volta invented the first modern electric battery.
Volta demonstrated that an electrical current is generated when metals and chemicals come into contact.
The next stage of generating electricity was through electrolysis. Volta discovered in 1800 that a continuous flow of electrical force was possible when using certain fluids as conductors to promote a chemical reaction between metals. Volta discovered further that the voltage would increase when voltaic cells were stacked. This led to the invention of the battery.
From the availability of a battery, experiments were no longer limited to a brief display of sparks that lasted a fraction of a second. A seemingly endless stream of electric current was now available.
In the early 1800, France was approaching the height of scientific advancements and new ideas were welcomed with open arms to support the political agenda. By invitation, Volta addressed the Institute of France in a series of lectures in which Napoleon Bonaparte was present. Napoleon himself helped with the experiments, drawing sparks from the battery, melting a steel wire, discharging an electric pistol and decomposing water into its elements.
Figure 3: Volta's experimentations at the French National Institute in November of 1800 in which Napoleon Bonaparte was present.
© Cadex Electronics Inc.
In 1802, Dr. William Cruickshank designed the first electric battery capable of mass production. Cruickshank arranged square sheets of copper soldered at their ends, intermixed with sheets of zinc of equal size. These sheets were placed into a long rectangular wooden box that was sealed with cement. Grooves in the box held the metal plates in position. The box was filled with an electrolyte of brine, or watered down acid.
New discoveries were made when Sir Humphry Davy installed the largest and most powerful electric battery in the vaults of the Royal Institution of London. He connected the battery to charcoal electrodes and produced the first electric light. Witnesses reported that his voltaic arc lamp produced "the most brilliant ascending arch of light ever seen."
All batteries at this time were primary cells, meaning that they could not be recharged. In 1859, the French physicist Gaston Planté invented the first rechargeable battery. This secondary battery was based on lead acid, a chemistry that is still used today.
Figure 2: History of battery development.
The battery may be much older. It is believed that the Parthians who ruled Baghdad (ca. 250 BC) used batteries to electroplate silver. The Egyptians are said to have electroplated antimony onto copper over 4300 years ago.
The third, and most significant, method of generating electricity was discovered relatively late - electricity through magnetism. In 1820, André-Marie Ampère (1775-1836) had noticed that wires carrying an electric current were at times attracted to one another, while at other times repelled. In 1831, Michael Faraday (1791-1867) demonstrated how a copper disc was able to provide a constant flow of electricity when revolved in a strong magnetic field. Faraday and his research team succeeded in generating an endless electrical force as long as the movement between a coil and magnet continued.
In 1899, Waldmar Jungner from Sweden invented the nickel-cadmium battery. In 1947, Neumann succeeded in completely sealing the cell. These advances led to the modern sealed nickel-cadmium battery in use today.
Research of the nickel-metal-hydride system started in the 1970s but the metal hydride alloys were unstable in the cell environment. New hydride alloys were developed in the 1980s that improved the stability. nickel-metal-hydride became commercially available in the 1990s.
The first primary lithium batteries appeared in early 1970s. Attempts to develop rechargeable lithium batteries followed in the 1980s but failed due to safety problems. Because of inherent instability of lithium metal, especially during charging, research shifted to a non-metallic lithium battery using lithium ions. Although lower in energy density than lithium metal, lithium?ion is safe, provided certain precautions are met when charging and discharging. In 1991, the Sony Corporation commercialized the first lithium-ion battery.
As awkward and unreliable the early batteries may have been, our descendants may one day look at today's technology in a similar way to how we view our predecessors' clumsy experiments of 200 years ago.
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