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          |  | AUSCHWITZ: Technique 
            and Operation
 of 
            the Gas Chambers ©
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          | Just beyond this room, there was a W C and a small washroom [22, 
            with a shower], and then the [prisoner] doctors’ room [23] with 
            windows [23a] looking out on the women’s camp I [B1b]. From the 
            corridor, a stairway [24] led up to the roof space. where there was 
            a domtitory [25] for the men working in the Sonderkommando and, al 
            the end, the electric motors [12] for the lift and the ventilation 
            system. |  
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          | [Four motors, installed round the common chimney for 
              the ventilation systems, extracted the air front the undressing 
              room (13), the gas chamber ( I3'), the furnace room and, together, 
              the dissecting and “washing” rooms. Another duct (26) brought 
              fresh air to the gas chamber. There were also one or two other 
              motors for the lift, See Document 24]. |  
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          | A prisoner mechanic worked on their maintenance. Facing the 
            entrance gate to the crematorium grounds, in the center of the 
            building, was a wing [27] in which rubbish was burnt in an 
            incinerator [U]. It was called “Millverbrennung[sofen]” (waste 
            incinerator). It was separate, reached by going down a stairway [28, 
            still visible in the ruins]. It was surrounded by an iron platform 
            and was coal fired. The entrance [27a] to the waste incinerator wing 
            faced the crematorium access gate. [The façade of] this wing had, in 
            addition to its entrance door with a transom window over it, two 
            windows, one on the right [27b] and one on the left [27c] of the 
            entrance, In the left corner of the entrance, there was an opening 
            [27d] through which, from a walled-off area on the outside [29], the 
            objects to be burned were passed inside. The incineration hearth [or 
            hearths?] [M] for these things was [/were?] to the left of the 
            entrance and the firebox (G] on the right. I would point out that it 
            was in this particular furnace that the documents of the Political 
            Section of the camp were always burned. From time to time, the SS 
            would bring whole truckloads of papers, documents and files that had 
            to he burned under their control. During the incineration of these 
            papers, I noticed great stacks of records of dead people and death 
            notices ["Totenmeldung"]. We were not able to take any of these 
            documents because we were operating under the close and direct 
            surveillance of the SS. Behind the waste incinerator, at the end of 
            the wing, was a chimney for all the cremation furnaces and the 
            incinerator. At first, there were around this chimney three electric 
            motors used for the draught [“Saugzuganlage / suction type] forced 
            draught installalion” ]. Because of the heat given off and the 
            proximity of the incinerator, these motors often broke down. There 
            was even a fire on one occasion. Because of these problems, they 
            were later removed and the [underfloor] smoke flues of the cremation 
            furnaces were connected directly to the chimney. A door [27e] 
            allowed passage between the waste incinerator wing and the part 
            where the chimney was. This part being slighly higher, it was 
            reached by a few steps [28]. After the motors were removed some wash 
            basins for the Sonderkommando were installed next to the chimney 
            [30] [Dr Miklos Nyiszli speaks of “a beautiful ten-man shower made 
            of gleaming tile” (page 60), which was certainly supplied with water 
            heated by the incinerator], and in the other part on the opposite 
            side looking towards the undressing room. there was a room [31] 
            where Obercapo [chief Capo] August sometimes slept. Normally he 
            slept in the Reich Germans’ [“Reichsdeusche”] block, which was first 
            in Sector BIb, then in BIId. In the roof space above the waste 
            incinerator wing, the hair cut from the victims was dried, tossed 
            [An early Indian ink sketch by David Olère shows prisoners “working 
            the hair”. This is one of the sketches conserved by Myriam Novitch] 
            and put in sacks [of about twenty kilograms] which were subsequently 
            taken away by truck. |  
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          |  |  | Document 
18 |  
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          |  | Documents 
            18 (above) (south/north view view) and 19 (below) 
            north/south view)
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          |  | Two photographs of 
            the accessible part of the ruins of the east side of the ceiling of 
            Leichenkeller 1 of Krematorium II in the region of supporting pillar 
            1/6. Access is at point “A” on drawing 2197. Only the wooden blocks 
            are still visible, each being at the the intersection of a line 
            running longitudinally between the central pillars and the east wall 
            and a perpendicular running betweeen two central pillars. 24 dummy 
            showerheads were fitted. |  |  
          |  | (Photos by the 
            author) |  |  
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 |  |  
          |  | Translation of 
            inscrtiptions: |  |  
          |  |  |  |  
          |  | · | RESTES DE L'AERATION SUPERIEURE 
            / REMAINS OF UPPER VENTILATION DUCT
 |  |  
          |  | · | BASE EN BOIS SUPPORT D'UNE 
            FAUSSE DOUCHE / WOODEN BASE FOR DUMMY SHOWER HEAD
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          | Document 19 |  |  |  
          | 
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          |  | Document 
20 |  
          | Document 20 |  |  
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          | Photograph [PMO neg. no. 
            205/37]  of a provisional 300 kg capacity goods hoist 
            used in Krematorium II [9] , found in the Bauhof in 1945. The order 
            for its construction is to be found in the “Metal working” file, 
            Annex 15 of Volume 11 of the Höss trial: |  |  
          |  |  |  
          | "Order No 61 of 15/2/43 — POW camp Krematorium II/III 
              BW 30. Subject: 1 goods lift with a minimum payload of 300 kg. 
              including the fitting of suitable winches, cable and motor and the 
              guide rail.
 Order No 2563/:146:/ of 26/1/43 from the 
              Bauleitung.
 Order taken over from the former prisoners' 
              metalworking shop.
 Completed on 13/3/43."
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          | It was subsequently replaced 
            by a 1500 kg capacity Demag goods lift. |  |  
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          | Document 23 |  |  
          |  | Document 23: |  
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          |  | Indian ink sketch by David 
            Olère, dating from 1947, showing three SS men enjoying the “left 
            overs” of a French convoy, in what was known as the Capo’s room of 
            Krematorium III [20]. while at the same time keeping an eye 
            on the work of the Sonderkommando through the internal window [20b] 
            looking out on the furnace room. If this scene had taken place in 
            Krematorium II, the furnace doors would have faced left and 
            would have been visible through the right hand side of the window. |  |  
  
  
    |  |  
    | AUSCHWITZ: Technique 
      and operation
 of the gas chambers
 Jean-Claude Pressac
 © 1989, The 
      Beate Klarsfeld Foundation
 |  
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