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/Title (WWII Air Filters)
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) /RD [0 0 0 0] /Rect [360.910672 92.375688 376.770047 102.875688] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (8) /CreationDate (D:20130526221414-07'00') >> endobj 15 0 obj << /F 4 /M (D:20130526224727-07'00') /P 5 0 R /T (Kevin) /AP << /N 41 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (6e2d0cb5-78be-4f96-80ee901bbcd548db) /RC (1: Air Intakes, normally 2 of them raised
above ground level to be in clean air.
) /RD [0 0 0 0] /Rect [18.032016 357.576512 48 704.076512] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (1: Air Intakes, normally 2 of them raised\rabove ground level to be in clean air.) /CreationDate (D:20130526221554-07'00') >> endobj 16 0 obj << /F 4 /M (D:20130526224452-07'00') /P 5 0 R /T (Kevin) /AP << /N 42 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (383b69c9-9dd7-48c5-b65dd9b90181291a) /RC (3: Diverter valve to determine whether air comes
from 1 or 2.
) /RD [0 0 0 0] /Rect [109.855732 358.544136 141.574482 763.844136] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (3: Diverter valve to determine whether air comes\rfrom 1 or 2.) /CreationDate (D:20130526221726-07'00') >> endobj 17 0 obj << /F 4 /M (D:20130526232245-07'00') /P 5 0 R /T (Kevin) /AP << /N 43 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (cf7a4eee-5285-4a0e-a27a455290f5ff92) /RC (6: Diverter valve to determine whether filtered
air goes into the facility or the air lock.
) /RD [0 0 0 0] /Rect [225.239526 362.729384 256.958276 759.629384] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (6: Diverter valve to determine whether filtered\rair goes into the facility or the air lock.) /CreationDate (D:20130526222319-07'00') >> endobj 18 0 obj << /F 4 /M (D:20130526232253-07'00') /P 5 0 R /T (Kevin) /AP << /N 44 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (73929e16-7fd1-43f4-a28333f583593981) /RC (8: Exhaust vent in the air lock/decontamination
room to blow air across incoming personel to
remove contaminates.
) /RD [0 0 0 0] /Rect [317.137352 366.832255 364.715477 763.732255] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (8: Exhaust vent in the air lock/decontamination\rroom to blow air across incoming personel to \rremove contaminates.) /CreationDate (D:20130526222454-07'00') >> endobj 19 0 obj << /F 4 /M (D:20130526231935-07'00') /P 5 0 R /T (Kevin) /AP << /N 45 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (7167f35c-4296-4468-b406740516928cf8) /RC (The intakes were raised above ground level, apparently about 20 feet. This was because
poison gas \(and later, radioactive fallout\) is heavier than air and settles out. This meant
that the incoming air was relatively clean compared to air at ground level.
) /RD [0 0 0 0] /Rect [439.089724 20.25391 486.667849 786.75391] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (The intakes were raised above ground level, apparently about 20 feet. This was because\rpoison gas \(and later, radioactive fallout\) is heavier than air and settles out. This meant\rthat the incoming air was relatively clean compared to air at ground level.) /CreationDate (D:20130526223020-07'00') >> endobj 20 0 obj << /F 4 /M (D:20130526224039-07'00') /P 5 0 R /T (Kevin) /AP << /N 46 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (865103c9-79f0-43a9-90bb6b005a7f1365) /RC (Diagram of Collector/Filter system
designed to remove poison gas from
air to be used inside critical
facilities in WWII. It turned out to
also be effective for radioactive
fallout.
) /RD [0 0 0 0] /Rect [15.75 25.25 110.90625 329.75] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (Diagram of Collector/Filter system\rdesigned to remove poison gas from\rair to be used inside critical\rfacilities in WWII. It turned out to\ralso be effective for radioactive\rfallout.) /CreationDate (D:20130526223913-07'00') >> endobj 21 0 obj << /F 4 /M (D:20130526224215-07'00') /P 5 0 R /T (Kevin) /AP << /N 47 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (770140b9-9601-410f-98ae0e9e7bfa3266) /RC (2: Alternate air intake inside the air lock/
Decontamination room. This returned contaminated
air to the filter to be scrubbed.
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facility. In larger rooms there would be more than
one to disperse the air more evenly.
) /RD [0 0 0 0] /Rect [265.5 363.95 313.078125 786.05] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (7: Exhaust vent to put filtered air into the \rfacility. In larger rooms there would be more than\rone to disperse the air more evenly.) /CreationDate (D:20130526224511-07'00') >> endobj 23 0 obj << /F 4 /M (D:20130526224716-07'00') /P 5 0 R /T (Kevin) /AP << /N 49 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (1a217951-6e9d-4fa8-b7b99957036caff1) /RC (Not to scale.
) /RD [0 0 0 0] /Rect [183 189.5 198.859375 300.8] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (Not to scale.) /CreationDate (D:20130526224646-07'00') >> endobj 24 0 obj << /F 4 /M (D:20130526231938-07'00') /P 5 0 R /T (Kevin) /AP << /N 50 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (2e34c122-eda5-41ac-a8323365215725b9) /RC (Two of the four facilities had heat exchangers between valve 6 and exhaust vent 7 to warm
the incoming air. One had steam radiators and one had fireplaces which would have had to
be shut down in case of a gas attack.
) /RD [0 0 0 0] /Rect [493.95 19.55 541.528125 769.25] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (Two of the four facilities had heat exchangers between valve 6 and exhaust vent 7 to warm\rthe incoming air. One had steam radiators and one had fireplaces which would have had to\rbe shut down in case of a gas attack.) /CreationDate (D:20130526225041-07'00') >> endobj 25 0 obj << /F 4 /M (D:20130526231942-07'00') /P 5 0 R /T (Kevin) /AP << /N 51 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (fa39dcfa-4560-49dc-989eae083d07d7e2) /RC (If the blower had to run all the time to provide fresh air in a sealed facility, or to
circulate heated air, then valves were placed before and after the filter that sent air
through a bypass line around the filter to avoid using it when not necessary.
) /RD [0 0 0 0] /Rect [548.4 17 595.978125 758.3] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (If the blower had to run all the time to provide fresh air in a sealed facility, or to \rcirculate heated air, then valves were placed before and after the filter that sent air \rthrough a bypass line around the filter to avoid using it when not necessary.) /CreationDate (D:20130526231330-07'00') >> endobj 26 0 obj << /F 4 /M (D:20130526231926-07'00') /P 5 0 R /T (Kevin) /AP << /N 52 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (46aa5e67-56a2-4b7b-86bc78f158cb8b87) /RC (Notes: Valves 3 and 6 were synchronized to work together. If air was sent to the air lock
for decontamination, the potentially contaminated air was sucked from there back into the
filter rather than being drawn in from the outside.
) /RD [0 0 0 0] /Rect [385.8 18.8 433.378125 776.9] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (Notes: Valves 3 and 6 were synchronized to work together. If air was sent to the air lock\rfor decontamination, the potentially contaminated air was sucked from there back into the \rfilter rather than being drawn in from the outside.) /CreationDate (D:20130526231744-07'00') >> endobj 27 0 obj << /F 4 /M (D:20130526232242-07'00') /P 5 0 R /T (Kevin) /AP << /N 53 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (13eeaba8-72d0-4734-b8cdc35c3a5c8094) /RC (4: Fan which would pull air from the intakes and
push it through the filter\(s\). Location varied.
) /RD [0 0 0 0] /Rect [145.8 360.8 177.51875 766.1] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (4: Fan which would pull air from the intakes and\rpush it through the filter\(s\). Location varied.) /CreationDate (D:20130526232009-07'00') >> endobj 28 0 obj << /F 4 /M (D:20130526232243-07'00') /P 5 0 R /T (Kevin) /AP << /N 54 0 R >> /BS << /W 0 >> /DA (0.000 0.000 0.000 rg) /IT /FreeTextTypewriter /LE /None /NM (0e4b777e-21d8-4867-bc5d05851fff15e0) /RC (5: Filter cannister\(s\), also referred to as a
"Collector". Numbers varied from 1 to 3.
) /RD [0 0 0 0] /Rect [187.8 361.4 219.51875 749.9] /Subj (Typewriter) /Rotate 90 /Subtype /FreeText /Contents (5: Filter cannister\(s\), also referred to as a \r"Collector". Numbers varied from 1 to 3.) /CreationDate (D:20130526232123-07'00') >> endobj 29 0 obj << /Filter [/FlateDecode] /Length 55 >> stream x+T034R0 A#9K?\!3330P5504rXK>W endstream endobj 30 0 obj << /R8 55 0 R >> endobj 31 0 obj << /R7 56 0 R >> endobj 32 0 obj << /BBox [119.013439 47.864997 134.872814 58.364997] /Filter [/FlateDecode] /Length 121 /Matrix [1 0 0 1 -119.013438 -47.864996] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-M `D9\iBqQ\(_)eo``oME(5o-YJ{cJ Y_ܺ#/TojDI˃/7 endstream endobj 33 0 obj << /BBox [117.078261 145.111179 132.937636 155.611179] /Filter [/FlateDecode] /Length 120 /Matrix [1 0 0 1 -117.07826 -145.111178] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-NK P)rN'kA\TjW. v}-M" )¤MMreFjq}DA[Ա.傏t#3jRy%}I| endstream endobj 34 0 obj << /BBox [332.366799 203.652413 348.226174 214.152413] /Filter [/FlateDecode] /Length 123 /Matrix [1 0 0 1 -332.366798 -203.652412] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-K @Du@&31"]P<_f%-^U~7J)L)k%lTJ-Q%'0xQ~w_PooX'Fc! endstream endobj 35 0 obj << /BBox [271.408696 86.569946 287.268071 97.069946] /Filter [/FlateDecode] /Length 122 /Matrix [1 0 0 1 -271.408695 -86.569945] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-K @}wteq]P< (U(mjQݡ BZ+'^ټdШq6,<#.XGnRShBi#E> /ProcSet [/PDF] >> >> stream x-K @D}@&]3v&"]P<_jA[[DC(b!.J KNYz+Ep#^2xU~n33\Te^2e) endstream endobj 37 0 obj << /BBox [360.426878 95.278559 376.286253 105.778559] /Filter [/FlateDecode] /Length 122 /Matrix [1 0 0 1 -360.426877 -95.278558] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-K PEY@Ӥ6 T#JE`G.ߧ;9sЛJ!X%I3:&<Rc*lXxt(o})'3ąB[č"=IcЁ endstream endobj 38 0 obj << /BBox [255.927273 277.675627 271.786648 288.175627] /Filter [/FlateDecode] /Length 122 /Matrix [1 0 0 1 -255.927272 -277.675626] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-K @}wt[{"]P<_f%M-AЛ A/ݲfj4bIlyto} g3ąڭ@S!4h6 endstream endobj 39 0 obj << /BBox [272.86008 337.668296 288.719455 348.168296] /Filter [/FlateDecode] /Length 123 /Matrix [1 0 0 1 -272.860079 -337.668295] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-A @@&3wvD0=yP|EP0'*/un~7 BRl"Pg5c G<] w:EW6q-FڭB"^48hm? endstream endobj 40 0 obj << /BBox [360.910672 92.375688 376.770047 102.875688] /Filter [/FlateDecode] /Length 122 /Matrix [1 0 0 1 -360.910671 -92.375687] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream x-K @Du@&݉=q1]P<_jAa٭P(}Ub'CYF-3O#_(^ߦ?g.W,E= endstream endobj 41 0 obj << /BBox [18.032016 354.576512 48 701.076512] /Filter [/FlateDecode] /Length 241 /Matrix [1 0 0 1 -18.032015 -354.576511] /Subtype /Form /FormType 1 /Resources << /Font << /F1 57 0 R >> /ProcSet [/PDF] >> >> stream xM]N0s _`i"MH4<