File:Steam Heating and Ventilation - Figure 20.png
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current | 17:19, 21 February 2023 | ![]() | 861 × 1,557 (148 KB) | Sp1nd01 | Uploaded a work by William Stanton Monroe from https://en.wikisource.org/wiki/Page%3ASteam_heating_and_ventilation_(IA_steamheatingvent00monrrich).pdf/43 with UploadWizard |
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