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Topic: Blish lock

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	Broadmining: Lock (Site not responding. Last check: 2007-10-25)
		A lock (device) a mechanical fastening device which may be used on a door, vehicle, or container.
		A canal lock is an enclosure in a
		Locks are typically very tall to facilitate catching balls in the line-out.
	www.lowide.com /Lock&t= (199 words)

	Blish lock -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-25)
		The Blish Lock is a friction-lock designed by John Bell Blish, that takes advantage of the fact that under extreme pressures, materials will resist movement through friction greater than normal friction laws would predict (which are proportional to pressure—force and area).
		The Blish Lock was the result of observations made by John Bell Blish of large Naval guns.
		He developed a working model that used a simple wedge as the lock, and was eventually awarded a patent.
	www.absoluteastronomy.com /encyclopedia/B/Bl/Blish_lock.htm (179 words)

	History
		The ‘Blish Lock’ was essentially a breech locking mechanism that could be used on a Blowback operated firearm.
		The lock delayed the Blowback of the bolt until the chamber pressure had diminished to an acceptable level.
		Blish was very excited about Thompson’s idea, and was sure his lock was suitable for the purpose.
	www.nfatoys.com /tsmg/web/history.htm (1460 words)

	970 Commander John Bell Blish [m]
		John Blish was appointed Cadet Midshipman on September 18th, 1875.
		John Blish is mentioned in the USS Constitution's log three times, as "J. Blish".
		"To eliminate the uncertainty of the effect of refraction on the dip of the sea horizon, Commander Blish of the United States Navy invented, in the early part of the 20th century, an attachment for a sextant known as the Blish prism.
	www.blish.org /gens/970.html (1611 words)

	Handloading - Wikipedia, the free encyclopedia
		Carbide dies have a ring of tungsten carbide, which is far harder and slicker than tool steel, and so carbide dies do not require lubrication.
		This is often a desirable step to skip, as in some firearms, a lubricated cartridge case can cause binding, as the lubricant overcomes the Blish lock formed between the case and chamber, and allows the case to shift back under the pressure of firing.
		Most pullers use inertia to pull the bullet; they are shaped like hammers, and the case is locked in place inside.
	en.wikipedia.org /wiki/Reloading (3064 words)

	METALLURGY - TheFiringLine Forums
		As an aside, I suspect that the Thompson's Blish Lock worked to slow the bolt only because the locking piece had to be cammed out of its seats in the receiver.
		Blish's theory was that the dissimiliar metals between the locking piece and the receiver helped to prolong the delay.
		Whether the Blish principle worked or not is still debated (though it sounds logical), but it was proven not to be necessary for the.45 ACP cartridge and later Thompson SMG models (M1 and M1A1) do not use it.
	www.thefiringline.com /forums/showthread.php?t=19621 (3936 words)

	Articles - Internal ballistics (Site not responding. Last check: 2007-10-25)
		The matchlock incorporated a "lock" (so called, because of its resemblance to door locks of the day) that was actuated by a trigger.
		Another place where lock time is critical is in the multi-barrel Gatling guns used by militaries, which have rates of fire, as high as 100 rounds per second.
		The same effect that operates the Blish lock operates between the cartridge and the chamber walls, which serves to hold the case in the breach for a small amount of time.
	www.divxa.com /articles/Internal_ballistics (8223 words)

	thompson submachine gun (Site not responding. Last check: 2007-10-25)
		Designed during World War I by General John T. Thompson, the Tommy gun was available in the.45 Caliber ACP (Automatic Colt Pistol) cartridge, and was used by the U.S. Army and British Commandos through World War II.
		The means of operation is direct blow-back, although early models made use of the Blish lock, turning the mechanism into a delayed blow-back system.
		After WWII it saw limited service in Korea, and was carried unofficially by a smattering of soldiers in Vietnam.
	www.yourencyclopedia.net /Thompson_submachine_gun.html (525 words)

	www.MachineGunBooks.com - WH Parts (Site not responding. Last check: 2007-10-25)
		The only case where I've even heard of WH '28's not having a blish lock is where the owner has cut of the ears or removed the blish in an attempt to improve function.
		If the lock ramps in the receiver are not cut properly (angle, rough, alinement) the blish lock will not be able to move and so cause a jam.
		By clipping the ears off, the lock will still engage the bolt and actuator but not the lock ramps.
	www.machinegunbooks.com /cgibin/ikonboard/topic.cgi?forum=1&topic=953 (404 words)

	BLISH (Site not responding. Last check: 2007-10-25)
		Search the BLISH Family Message Boards at Ancestry.com (if available).
		Search the BLISH Family Resource Center at RootsWeb.com (if available).
		Find graves of people named BLISH at Find-a-Grave.com (or add one that you know).
	www.worldhistory.com /surname/US/B/BLISH.htm (73 words)

	Blish Lock (Site not responding. Last check: 2007-10-25)
		The Blish Lock is a friction-lock designed by John Blish, that takes advantage of the fact that under extreme pressures, materials will resistmovement through friction greater than normal friction laws would predict (which are proportional to pressure—force andarea).
		This principle of metallic adhesion hassince come to be known as the Blish Principle.
		It did not take Blish very long to put this knowledge to use in a delayed Blowbackbreech lock.
	www.therfcc.org /blish-lock-288287.html (180 words)

	LOCK (Site not responding. Last check: 2007-10-25)
		Search the LOCK Family Message Boards at Ancestry.com (if available).
		Search the LOCK Family Resource Center at RootsWeb.com (if available).
		Find graves of people named LOCK at Find-a-Grave.com (or add one that you know).
	www.worldhistory.com /surname/US/L/LOCK.htm (73 words)

	July 2000 Page 4
		He pointed out the M1 versions had a thicker rear area and a different buffer to absorb the shock the Blish would have dissipated, and, by the way, that is why the fiber washer is disintegrating.
		The new Blish worked beautifully, but the gun started to hiccup on a regular basis.
		I contacted Tracie and got a couple of things to check--nicks on the Blish and burrs in the Blish's locking channel in the receiver.
	www.nfatoys.com /tsmg/tcn/2000/jul/jul00p4.htm (665 words)

	Military Gun Books, Gunbooksales.com, Mail Order Catalog of Gun Books
		From the earliest secret developments to the perfecting of the Auto Ordnance late Model of 1919, then on to the historic contract with Colt's, who manufactured 15,000 Model of 1921 guns which, by modifying and overstamping, were to last Auto-Ordnance until 1941.
		During WWII Savage scrapped the Blish lock, and 1,387,134 new M1928A1, M1 and M1A1 Thompsons were produced.
		The definitive study of the last, true “lock, stock, and barrel” 'T' US battle rifle, US Rifle M14 spans the fateful postwar era of the decline of Army Ordnance as the arbiter of US small arms development.
	www.gunbooksales.com /mil_new2.htm (1086 words)

	Thompson submachine gun - Wikipedia, the free encyclopedia
		Its most notable differences from the M1928A1 were the elimination of the slots adjoining the magazine well that allowed use of the drum magazines and of the complicated compensator at the muzzle that limited "rise" when firing.
		The characteristic cooling fins on the barrel and the Blish lock feature of the bolt also disappeared.
		The less-expensive and easily manufactured "stick" magazines were used exclusively in this version, with a new 30-round version joining the familiar 20-round type.
	en.wikipedia.org /wiki/Thompson_submachine_gun (750 words)

	Guns Magazine: Mannlicher's exquisite M95 Stutzen
		It carries two locking lugs al its front and two large helical grooves along its body.
		Inside the bolt body are studs engaging the helical grooves of the bolt head.
		As the bolt is pulled back, the striker spring is compressed and the helical groove cam system rotates the locking lugs out of engagement.
	www.findarticles.com /p/articles/mi_m0BQY/is_8_50/ai_n6081523 (1346 words)

	Thompson Submachine Gun
		It was a complex weapon that used the patented Blish Lock.
		The guns were made with a deeply blued finish and beautiful wood stocks.
		The Blish Lock was retired after Auto-Ordnance found out it was unnecessary to the Thompson's operation.
	www.ww2gyrene.org /weapons_thompson.htm (701 words)

	American Rifleman: Tommy gun goes to war, The (Site not responding. Last check: 2007-10-25)
		To make a significant impact upon reducing manufacturing time and cost, all aspects of the gun had to be re-evaluated.
		The Savage engineering team proposed a radical redesign of the Thompson that centered around the elimination of the Blish locking device.
		The Blish lock was always of dubious value and required a great deal of machining time.
	www.findarticles.com /p/articles/mi_qa3623/is_199509/ai_n8731298/pg_2 (1215 words)

	Discount Tools - Horiz Bit Key Rim Lock by M.A.G. (Site not responding. Last check: 2007-10-25)
		Just as you might have specific kitchen tools to complete a task while cooking or preparing food, you should have certain tools and items in your toolshed or at your workbench for specific jobs.
		If Horiz Bit Key Rim Lock is not quite what you're looking for, be sure to browse our categories and check out items from our featured brands.
		If Horiz Bit Key Rim Lock is what you have been looking for, click here for more information.
	www.discount-tools.ws /tools/horiz-bit-key-rim-lock.php (509 words)

	Thompson submachine gun
		The operating mode of most Thompsons is direct blow-back, although early models used the
		Blish lock, turning the mechanism into a delayed blow-back system.
		Korea, and was carried unofficially by a few soldiers in
	en.efactory.pl /M1_Thompson (448 words)

	THR - View Single Post - In 1925, a Thompson cost $250? (Site not responding. Last check: 2007-10-25)
		IIRC it took over 200 separate milling and finishing steps to make a Thompson receiver.
		When the Blish lock and separate hammer were dropped and the firing pin fixed on the bolt in the M1A1 Thompson things got a little less complex, but it still took about 4 times as long to make a Thompson as it did a grease gun.
		The cost of a Thompson in 1925 was up to 2 months wages, or more, for many workers.
	www.thehighroad.org /showpost.php?p=701502&postcount=5 (122 words)

	Encyclopedia: Thompson submachine gun (Site not responding. Last check: 2007-10-25)
		It also has a permanently attached buttstock and was first issued in 1943.
		James Blish (East Orange, New Jersey, May 23, 1921 - Henley-on-Thames, July 29, 1975) was an American author of fantasy and science fiction.
		Jump to: navigation, search 1943 is a common year starting on Friday.
	www.nationmaster.com /encyclopedia/Thompson-submachine-gun (1992 words)

	Gunboards - French 1940 SMGs (Site not responding. Last check: 2007-10-25)
		The desert sand played havoc with both types of mags, but the stick mags were "sand-proofed" by soldering up all the holes along the body.
		This practice was initiated by Aussie field armourers; it is not known who invented the 5/16 inch Nut and Bolt substitute for the "Blish H Lock" which also got jammed with sand.
		The gun functioned just as well without the Blish lock, but a nut & bolt was necessary to keep the two parts of the Bolt together.
	www.gunboards.com /forums/topic.asp?TOPIC_ID=44786 (1855 words)

	[No title] (Site not responding. Last check: 2007-10-25)
		The Frommer long recoil design was originally concocted for what might have been the world's first "short" rifle cartridge, but accepted in 8mm Lebel by the French, it was instead developed into the abominable Chauchat.
		John T. Thompson's first efforts at a "trench broom" were built around cartridges very like the 401 Winchester SLR necked to.30, but the Blish lock couldn't deal with the cartridge, so what actually happened turned into the Thompson Submachine Gun.
		It was too early for the assault rifle to develop...there was no tactical role prepared for it until the world urbanized, and an observer could fairly say most military recruits had never handled a firearm.
	www.textfiles.com /politics/GUNS/arifle2.txt (2860 words)

	Making Light: Guns in New Hampshire
		No real quarrel with the usage but good writing will never persuade me the Blish lock was "one nice piece of design and engineering" granted that removing it improved the design.
		One of his cellmates was a former pimp who was locked up for fatally bludgeoning two of his hookers.
		There are locking boxes, designed and sold for this purpose, that open when the authorized person sticks his hand through an opening.
	www.nielsenhayden.com /makinglight/archives/001516.html (15220 words)

	Kwikset (Site not responding. Last check: 2007-10-25)
		Lock Strike Hardware > Doorknobs, Locks & Latches > Strike Plates & Door Reinforcement by Kwikset
		Lock Trim Rosette Hardware > Doorknobs, Locks & Latches > Handle Trim Kits by Kwikset
		Polished Brass Polo Entry Lock Hardware > Doorknobs, Locks & Latches by Kwikset
	www.home-improvement-center.com /kwikset (3703 words)

	blish - OneLook Dictionary Search
		We found one dictionary with English definitions that includes the word blish:
		Tip: Click on the first link on a line below to go directly to a page where "blish" is defined.
		Phrases that include blish: blish lock, james blish
	www.onelook.com /?w=blish (79 words)

	Schlage (Site not responding. Last check: 2007-10-25)
		Backset Spring Latch Hardware > Doorknobs, Locks & Latches > Replacement Latches by Schlage
		F10 Bel 605 Passage Lock Hardware > Doorknobs, Locks & Latches > Passage Locksets
		F10 Geo 609 Passage Lock Hardware > Doorknobs, Locks & Latches > Passage Locksets
	www.home-improvement-center.com /schlage (813 words)

	M1A1 Thompson Submachine Gun
		The Thompson M1A1 submachine gun did not accept the 50-round drum magazine as your web site indicates.
		In 1942 the original Thompson M1928 which had the cocking knob on top of the receiver and utilized the Blish Lock system of operation was redesigned as the Thompson M1A1.
		The M1A1 utilized a simple blow-back system of operation and the bolt handle was moved to the side.
	www.rt66.com /~korteng/SmallArms/thompson.htm (502 words)

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