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                    <text>There is a still caption on the back which reads: "Airlock zone 1, 11 Mol Sieve Fan MDAC Input
for June."

�There is a still caption on the back which reads: "Airlock zone 1, 11 Mol sieve fan. MDAC input
for June."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 CONDENSATE HEAT
EXCHANGER PANEL UNIT #1 IN CLEAN ROOM AT MDAC-E BLDG. 101-BUILD* UP FOR MODULAR TEST.
NASA-1360"

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 CONDENSATE HEAT
EXCHANGER PANEL UNIT 2 IN CLEAN ROOM AT MDAC-E BLDG. 101-BUILDUP FOR MODULAR TEST.
NASA-1353"

�There is a still caption on the back which reads: "Airlock Flight Article #2 condensing heat exchanger module in clean
room. MDAC input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 condensing heat exchanger module in clean
room. MDAC Input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 AM cabin heat exchanger in clean room. MDAC
Input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 cabin heat exchanger module in clean room.
MDAC Input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 IVA control panel 217 in clean room. MDAC
Input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 IVA control panel 217 in clean room. MDAC
Input for month of August."

�There is a still caption on the back which reads: "Airlock Flight Article #2 teleprinter paper storage container in clean
room. MDAC Input for month of August."

�There is a still caption on the back which reads: "Airlock zone 1 ATM C&amp;D filter MDAC Input for June"

�There is a still caption on the back which reads: "Airlock zone 1 ATM C&amp;D H2O filter on bench. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 CO2 endplate. MDAC Input for June"

�There is a still caption on the back which reads: "Airlock CO2 endplate. MDAC Input for June."

�There is a still caption on the back which reads: "airlock zone 1 stowage container. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 Stowage container. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 Stowage container. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 stowage container. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 stowage container. MDAC Input
for June."

�There is a still caption on the back which reads: "INTERIOR OF AIRLOCK 1 G TRAINER
SHOWING EVA HATCH OPEN. (N) (S-71-57616)."

�There is a still caption on the back which reads: "NASA-1445, AIRLOCK NASA TRAINER ON
PRODUCTION LINE IN MDAC-E BLDG. -101 INTERIOR VIEW SHOWING TUNNEL FROM
MDA END."

�There is a still caption on the back which reads: "NASA-1444, AIRLOCK NASA TRAINER ON
PRODUCTION LINE IN MDAC-E BLDG-101, INTERIOR VIEW SHOWING LOCK
COMPARTMENT WITH AFT HATCH CLOSED BETWEEN AFT AND LOCK
COMPARTMENTS FROM MDA END."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 IN CLEAN
ROOM AT MDAC-E BLDG. 101-STS SHOWING: IVA CONTROL PANEL (T-61). H2O TANK
MODULE (T-35). CONDENSATE MODULE (T-46). ATM TANK MODULE (T-71) AND THE
MOLE SIEVES. TUNNEL SHOWING: TAPE RECORDER MODULE (T-77) AND EVA CONTROL
PANELS. NASA-1366"

�There is a still caption on the back which reads: "NASA-1443, AIRLOCK NASA TRAINER ON
PRODUCTION LINE IN MDAC-E BLDG. -101 VIEW SHOWING INTERIOR OF AM TUNNEL
WITH AFT HATCH CLOSED ON OWS END, TAKEN FROM MDA END."

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https://en.wikipedia.org/wiki/Skylab#Manned_missions&#13;
&#13;
https://www.nasa.gov/missions/shuttle/f_skylab1.html&#13;
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https://history.nasa.gov/SP-402/ch4.htm</text>
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�There is a still caption on the back which reads: "AIRLOCK NASA TRAINER IN MDAC-E
BLDG-101 CLOSEUP OF LIQUID/GAS SEPARATOR INSTALLED IN IVA CONTROL PANEL
WITH GAS CONNECTION REMOVED. NASA-1422"

�There is a still caption on the back which reads: "D4C 86614"

�There is a still caption on the back which reads: "AIRLOCK NASA TRAINER IN MDAC-E
BLDG-101 CLOSEUP OF IVA CONTROL PANEL WITH DOOR OPEN FOR ACCESS TO
LIQUID/GAS SEPARATOR AND SHOWING LOG SCHEMATIC. NASA-1416."

�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room at MDACE Bldg. 101 interior view of STS showing ATM tank Module and IVA Panel. Aug. Input"

�There is a still caption on the back which reads: "Airlock Flight Article #1 IVA Panel 61A830240
installed in STS in clean room at MDAC-E Bldg. 101. AUG. Input."

�There is a still caption on the back which reads: "Airlock zone [illegible] closeup of fire sensor
control panel 238 AM circulation fans heat exchanger. MDAC input for June. "

�There is a still caption on the back which reads: "Airlock Zone 1 closeup of condensate module
3/4 control panel/gas line connection view. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 closeup of operational
condensate module with hets bag coven open exposing condensate tank. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock Zone 1 internal section of STS -Z axis
showing O2 IN2 control panel 225. MDAC Input for month of June."

�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room [illegible]
of forward compartment. STS and MDA Down X-axis MDAC Input for Aug."

�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room final checkout being made. MDAC
Input for Aug."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 MOL SIEVE. IN CLEAN ROOM AT
MDAC-E BLDG-101-READY FOR ISTALLATION. NASA-1780"

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 MOL SIEVE IN CLEAN ROOM AT
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�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 O2 N2 CONTROL MODULE IN
CLEAN ROOM AT MFAC-E BLDG. 101-BUILDUP FOR MODULAR TEST. NASA-1367."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 O2/N2 CONTROL SYSTEM
MODULE IN CLEAN ROOM AT MDAC-E BLDG-101 READY FOR ISTALLATION FRONT VIEW. NASA-1782."

�There is a still caption on the back which reads: "Airlock zone 1 condensate tank manual pump. MDAC Input for June."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 CONDENSATE MODULE NO. 2 IN
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�There is a still caption on the back which reads: "Airlock zone 1 charcoal canister. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 H2O seperator plate. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 H2O separator plate, MDAC Input for June."

�There is a still caption on the back which reads: "Airlock Zone 1 solids trap. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone solids trap. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 1 Mol Sieve fan. MDAC input for
June."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE NO. 1 CABIN HEAT EXCHANGER
MODULE IN CLEAN ROOM AT MDAC-E BLDG. 101-BUILDUP FOR MODULAR TEST. NASA-1358"

�There is a still caption on the back which reads: "Airlock Flight Article #1 H2O Tank Module
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https://en.wikipedia.org/wiki/Skylab#Manned_missions&#13;
&#13;
https://www.nasa.gov/missions/shuttle/f_skylab1.html&#13;
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�There is a still caption on the back which reads: "NASA TRAINER - FORWARD
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�There is a still caption on the back which reads: "D4C 86680"

�There is a still caption on the back which reads: "Airlock zone 2 active PPCO2 filter cartridge.
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�There is a still caption on the back which reads: "Airlock zone 1&amp;2 passive PPCO2 filter
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�There is a still caption on the back which reads: "Airlock zone 2 passive PPCO2 filter cartridge.
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�There is a still caption on the back which reads: "Airlock zone 2 O2 sensor in canister MDAC
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�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room closeup of stowage container
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�There is a still caption on the back which reads: "Airlock zone 2 active PPCO2 filter cartridge.
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�There is a still caption on the back which reads: "D4C 86779"

�There is a still caption on the back which reads: "Airlock zone 2 PPCO2 filter cartridge. MDAC
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�There is a still caption on the back which reads: "D4C 86845"

�There is a still caption on the back which reads: "D4C 86780"

�There is a still caption on the back which reads: "Airlock zone 2 gas circulation duct cap assembly. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 2 sas circulated duct cap assembly. MDAC Input for June."

�There is a still caption on the back which reads: "D4C 86837"

�There is a still caption on the back which reads: "D4C 86778"

�There is a still caption on the back which reads: "Airlock zones 1&amp;2 operational and stowage. MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zones 1&amp;2 stowage MDAC Input for June."

�There is a still caption on the back which reads: "Airlock zone 2 stowage container. MDAC Input
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�There is a still caption on the back which reads: "Airlock zones 1&amp;2 operational and stowage MDAC Input for June."

�There is a still caption on the back which reads: "D4C 86696."

�There is a still caption on the back which reads: "D4C 86704."

�There is a still caption on the back which reads: "D4C 86842."

�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room closeup of
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�There is a still caption on the back which reads: "D4C 86676."

�There is a still caption on the back which reads: "D4C 86706."

�There is a still caption on the back which reads: "D4C 71323."

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�There is a still caption on the back which reads: "D4C 86781."

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�There is a still caption on the back which reads: "D4C 86775."

�There is a still caption on the back which reads: "AIRLOCK FLIGHT ARTICLE-1 OVERALL OF EVA HATCH IN CLOSED
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�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room closeup
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�There is a still caption on the back which reads: "D4C 86723"

�There is a still caption on the back which reads: "Airlock Zone 3 Closeup of lock compartment
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�There is a still caption on the back which reads: "NASA TRAINER - LOCK COMPARTMENT CLOSEUP OF TV STATION. PRESSURE RELIEF VALVE 313. AND 20 WATT TUNNEL LIGHT
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�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room view of GSR closure connector
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�There is a still caption on the back which reads: "Airlock Flight Article #1 in clean room closeup
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&#13;
References:&#13;
&#13;
https://en.wikipedia.org/wiki/Skylab#Manned_missions&#13;
&#13;
https://www.nasa.gov/missions/shuttle/f_skylab1.html&#13;
&#13;
https://history.nasa.gov/SP-402/ch4.htm</text>
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&#13;
References:&#13;
&#13;
https://en.wikipedia.org/wiki/Skylab#Manned_missions&#13;
&#13;
https://www.nasa.gov/missions/shuttle/f_skylab1.html&#13;
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https://history.nasa.gov/SP-402/ch4.htm</text>
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https://www.nasa.gov/missions/shuttle/f_skylab1.html&#13;
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