Second report of the Departmental Committee appointed to inquire into the ventilation of factories and workshops. Pt. 1, Report.
- Great Britain. Home Office. Committee on Ventilation of Factories and Workshops.
- Date:
- 1907
Licence: Public Domain Mark
Credit: Second report of the Departmental Committee appointed to inquire into the ventilation of factories and workshops. Pt. 1, Report. Source: Wellcome Collection.
32/140 (page 14)
![A a NIN MR en Pernt EXPE RIMENTS In DUCT CONSTRUCTION Gonre ). BLAEL ava EXHAUST CURRENT compare. _| _Wrrx Pararzer Mar Ducr Six se (AnEpcoMErER: Lés7s) Mtr TAPEREDIMAINDUCT, Stoke. __ | : Q® | YET CENTRAL LINGARE VELOCITY ~ TESTED 26 ENTRANCE 10 EACH THROAT or BPENING. Scale 2 central Lrnéear Loc? Z — E£RKAUSI CURRENTS .—_ DerFieal ke xh Throals (enthou? Hepes) CENTRAL LINEAR VELOCITY — TESTED a@CENTRANCE iV LACH aN REN, on OPENING. sas EZHA sr _ CYRRENTS, — a ; LESTICAT 4.%42 GRATOGFS (tact Wide Aoppers.) . 4020 ; a SIG AVERAGE VELOCITY = (267-7. m,| pi C . LS1S- HS SRE REM Throats Sian tirag #30! (arth Koopers) Same Throals. Fan connected li Small rd of Duct- Z28O ARO | eS See ee eee ru 2202 ' 60 | 7262 1 DST = AW VEE. RMN, 20 ifs AV. VEL. PMIN, pA | eke £270 4 £880 f ee ! | ete ye on YAroadls Slarting at 30? (Hoppers removed), | {f ea £500 x Age | Up ey ore : Z Pa eae Se Uinta tern rel Ds slides Seo | f] LIOD ' JG 2Q= AV. VEL. PM. = VAG) 22. eter : Se LIBO __'7SPO*= AV VEL. ~ £820 ' i | L289 aS SS BLAST CURRENTS. Plain Holes 7k «ae! 4x he” Throa/s Slantiig 60° fund of Duel cased £2092 | 124.0 \ Currents foo Confused far Correct feading: LI2O \YKO2 - AY. VEL PM: C5 TE RAE IE, Sime ae BRET Vi L050 ‘ - wer4vcal Throats (hxu) coh Kar End@ of Dackoen. | LOOP Bae: wal] L375 eT 1375 LG QO = AKVEL PM. H Ty BR AL AD ye se ee 1772 roles with PocRer Sir Gerdes rrgerica. (laitehs kixte) MGIES wit Bock? S917 Guides riservan. (Getrers texte), gO : { %8EO ER a ani 3: | RMN YL . 609 Mee aR ! c L400 he TAKAO = AV. VEL. BAe, | (02 = AV. VEL.PAL. | 2 1620 ' L390 h : Ale re | 4 . — BLAST ene 4X4 Sertreal Throaks. | Fel Gerivcal Throats (2). Erk of Duct closed. x . LOD | | =D 3 a O30 H c seen Nj Cc ne hy ee ; QL S = AV. VEL. BAC. | Oe 7020 (JOS = AW. VEL BPC. +4 ! B | ; L480 ! : | C60 4 xh ShroaFs - slanting 2 BO? ee Le Throats wanting az GO? 7392 | D Me Z3BLO H i S420 EP: | c, 3 i LIGS | (BS% = AV. vee, BAT. po L340 * 7$8O = AY Ver BM. I ey B 7327 ‘ L280 an pl Throats - Slanling at B02 | 4KKh Throats slanting ak 3O2 ro re 2 / D a D a : L560 : ft | 7250 sy Gop res pens ee era ¢ iA V5IO S82 = AVVELAM™. (> 7100 & SLIO = AV. VEL. PDE. 3 77 MIN) ee 7530 7 1032 pias ee LA Pee Se i \\ C7o aur fer Laci ausl Currents ROT | Colour fr Blasl Currents = OI 28.4.0 CRD](https://iiif.wellcomecollection.org/image/b32182107_0032.jp2/full/800%2C/0/default.jpg)