. Baltimore and Ohio employees magazine . ers are included,which will prove specially helpful to those pre-paring for examination. 362 pages, 88 illustra-tions. Cloth. Link Motions, Valves and Valve Set-ting. By Fred H. Colvin, Associate Editorof American Uachintst. A handy book thatclears up the mysteriesof valve setting. Showsthe different valve gearsin use, how they work,and why. Piston andslide valves of differenttypes are illustrated andexplained. A book thatevery railroad man inthe motive power de-partment ought to illustrated. Newrevised edition recentlypublished. 7B ce
. Baltimore and Ohio employees magazine . ers are included,which will prove specially helpful to those pre-paring for examination. 362 pages, 88 illustra-tions. Cloth. Link Motions, Valves and Valve Set-ting. By Fred H. Colvin, Associate Editorof American Uachintst. A handy book thatclears up the mysteriesof valve setting. Showsthe different valve gearsin use, how they work,and why. Piston andslide valves of differenttypes are illustrated andexplained. A book thatevery railroad man inthe motive power de-partment ought to illustrated. Newrevised edition recentlypublished. 7B cents Locomotive Boiler Frank A. Kleinhans. The only book showing how locomotive boilersare built in modem shops. Shows all types ofboilers used; gives details of construction;practical facts, such as life of riveting punchesand dies, work done per day, allowance forbending and Banging sheets and other datathat means dollars to any railroad man. Secondedition. 451 pages, 334 illustrations. Six fold-ing plates. Cloth. 03. so. COPIES OF THESE BOOKS SEITT PREPAID Olf RBCKIPT OF PRICE The Baltimore and Ohio Magazine Mount Royal Station Baltimore, Maryland J PATENTS BOOKLET FREE. HIGHEST ASSURED. BEST RESULTS. Sand drawing or model for examinatioes asidI sport as to patMitability. WATSON E. COLEMAN PATENT LAWYER 824 F Street, N. W. Washington D. C. How It Sound? to Read Proof on Poetry Proofreader: As flowers without the sun-shine fair—comma—so—comma—withoutyou—comma—do I breathe a dark anddismal mare— Copyholder: Thunder; not mare—air. Proofreader: I breathe a dark and dis-mal air—comma—as flowers—comma— Copyholder: Shoot the comma. Proofreader: Tis done. As flowerswithout the sunshine fair—semicolon—con-found slug seven, he never justifies hislines—no joy in life—comma—no worms—• Copyholder: Warmth. Proofreader: No warmth I share—■comma—and health and vigorous flies— Copvholder: Blazes; health and vi
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