![Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives . -HP Fig. 282. duplex and single regulating portions. Fig. 286 Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives . -HP Fig. 282. duplex and single regulating portions. Fig. 286](https://c8.alamy.com/comp/2AXDGB9/cyclopedia-of-locomotive-engineering-with-examination-questions-and-answers-a-practical-manual-on-the-construction-care-and-management-of-modern-locomotives-hp-fig-282-duplex-and-single-regulating-portions-fig-286-shows-the-supply-portion-in-section-referring-to-fig-286-con-nection-is-made-with-the-main-reservoir-at-m-r-andby-means-of-the-cored-passage-air-is-free-to-pass-to-theunder-side-of-the-valve-p-g-95-connection-bv-leads-tothe-brake-valve-main-reservoir-connection-and-connectiond-to-the-regulating-portion-single-or-duplex-also-con-necting-at-d-in-figs-282-and-283-2AXDGB9.jpg)
Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives . -HP Fig. 282. duplex and single regulating portions. Fig. 286
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