Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers . ow in figures 22 and 23 two boards ofsuch central stations. The illustrations clearly show the various instruments. A listthereof, and the purpose they serve, will be found with each illus-tration. A little study will make everything plain and furtherdiscussion becomes unnecessary. Fig. 22. Installed by Rietschel & Henneberg, Berlin, for thetheatre in Posen, Germany. Published in the Journal of the GermanCongress, Dresden, 1911. 1. Voltmeter for blower. 2. Ammeter. 3. Switch for blower. 4. Rheostat for b
Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers . ow in figures 22 and 23 two boards ofsuch central stations. The illustrations clearly show the various instruments. A listthereof, and the purpose they serve, will be found with each illus-tration. A little study will make everything plain and furtherdiscussion becomes unnecessary. Fig. 22. Installed by Rietschel & Henneberg, Berlin, for thetheatre in Posen, Germany. Published in the Journal of the GermanCongress, Dresden, 1911. 1. Voltmeter for blower. 2. Ammeter. 3. Switch for blower. 4. Rheostat for blower. 464 MEASUREMENT OF AIR FLOW 5, 6, 7, 8, 9. Long distance thermometers for: outside temper-ature, air supply, and inside temperatures for orchestra, threegalleries, foyer and stage. 10, 11. Volt and ammeter for storage battery of current forlong distance thermometers. 12. Switch for same. 13. Manometer for determining pressure in theatre. 14. Manometer for determining air volume by Pitot tube. 15. Manometer for determining total pressure ditterence underwhich blower Fig. 22 MEASUREMENT OF AIR KLUW 465 IG. Operating device for main air supply damijer for audi- 17. Operating device for main vent damper. 18. Operating device for main air supply damper for corri-dors and coat rooms.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtransactions, bookyear1895
