General Electric Co. · General Electric Co. · leaf 30
reaked Ox. Silver 60571 39 6 Hook Streaked Ox. Silver 60286 26 6 Hook Streaked Ox. Copper 60290 39 5 Hook Streaked Ox. Coppei 60570 26 6 Hook Streaked Ox. Silver 60574 39 5 Hook Streaked Ox. Silver 60288 26 5 Link Streaked Ox. Copper 60293 Can- Streaked Ox. Copper 60572 26 5 Link Streaked Ox.… … Cylindrical Blueprinting Frame ARC LIGHTING ARC LAMPS FOR BLUEPRINTING An extremely useful application of the arc lamp is in the making of blueprints,such as are used in factories, machine shops, etc., as it avoids the delays occasionedby lack of suflFicient natural light during cloudy days and in…
