Drafting Methods |
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Common terms and phrases
alcohol American Railway Engineering angles Architect's Scale Beam Compass blade bleached blotting paper blueprints border lines carbon carbon paper casein celluloid charts CIRCUIT classification clippings color Committee of Records compass Conventional Signs cross-section paper desired dimensions drafting draftsman drawing board drawing ink drawing paper drawn eraser fastened flat Franz Szabo head holes horizontal inch india ink ink bottle instrument irregular curve kink length letters lithoprint Mach magazines material nibs obtained ordinary parallel Parallel Ruler pencil perpendicular photograph placed position protractor Railway Engineering Association Records and Accounts removed rubbed ruling pen scheme screw Section Liner sheet shellac shown in Fig side SIGNAL Signs from Committee slide rule solution spaces Steam Turbine straight edge suggested surface SWITCH T-square templates Thin Heavy thumb tacks tracing cloth tracing paper triangle trimming line Variable Scale vertical file Walworth whiteprint wire
Popular passages
Page 111 - Extension of the Dewey System of Classification Applied to Metallurgy, Metallography and Assaying, by RM Keeny, Colorado School of Mines, quarterly, Golden, Col., April, 1911.
Page 88 - CIRCUIT CONTROLLERS OPERATED BY LEVERS. USE EITHER LETTER SYSTEM OR GRAPHIC SYSTEM. LEVERS WITH EXTREME END POSITION AS NORMAL . N- FULL NORMAL POSITION OF LEVER B- NORMAL INDICATION POSITION.
Page 84 - OPERATOR FACING TRACK. OPERATOR WITH BACK TO TRACK. NOTE: UNLESS OTHERWISE SPECIFIED ON PLAN IT WILL BE ASSUMED THAT WHERE AN INTERLOCKED SIGNAL IS SHOWN CLEAR OR A DERAIL SHOWN IN NON-DERAILING POSITION THE CONTROLLING LEVER IS REVERSED, AND THAT ALL OTHER LEVERS ARE NORMAL.
Page 83 - RELAY Box AND POST . BATTERY CHUTE, RELAY Box AND POST COMBINED. NOTE : TYPE OF INDICATOR TO BE COVERED BY ) GENERAL NOTE . SWITCH Box LOCATION. SWITCH INDICATOR. SWITCH INDICATOR AND SWITCH Box.
Page 83 - CABLE POST WITH ONE WITH Two WITH RELAY WITH RELAY WITH RELAY ONLY. INDICATOR. INDICATORS. Box. Box AND ONE Box AND Two INDICATOR . INDICATORS . 5J ABOVE SURFACE . HALF ABOVE SURFACE. BELOW SURFACE. (FIGURES INDICATE CAPACITY) HIGHWAY CROSSING BELL. BATTERY SHELTER. Tt OR
Page 80 - ENDS OF BLADES IN SYMBOLS ARE TO BE OF THE ACTUAL FORMS USED BY THE ROAD CONCERNED. IF NOT SPECIFIED THE ABOVE FORMS WILL BE USED ON PLANS.
Page 87 - RELAYS , INDICATORS AND LOCKS. EXAMPLES OF COMBINATIONS. DC RELAY- NEUTRAL- ENERGIZED ONE INDEPENDENT FRONT CONTACT CLOSED ONE INDEPENDENT BACK CONTACT OPEN . DC RELAY -POLARIZED -ENERGIZED Two COMBINATION FRONT AND BACK NEUTRAL CONTACTS Two POLARIZED CONTACTS CLOSED Two POLARIZED CONTACTS-- OPEN.
Page 89 - RHEOSTAT. SINGLE POLE. DOUBLE POLE. SINGLE POLE. DOUBLE POLE. SINGLE THROW. DOUBLE THROW. QUICK ACTING CIRCUIT CONTROLLERS MAY BE DISTINGUISHED BY THE LETTER 9 — (/WV — . FIXED RESISTANCE.
Page 81 - PRESENT SIGNAL TO REMAIN. RELATION OF THE SIGNAL TO THE TRACK AND THE DIRECTION OF TRAFFIC n_ '