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Catalogue of Structural Steel & Iron for Architects, Engineers & Contractors (1910)
Manitoba Bridge & Iron Works · Manitoba Bridge & Iron Works · leaf 102
No. 176—Left Boss Switch, showing- curved rail connection. … No. 177—Right. Boss Switch showing connection with straight rail Drop SwitchMetals · Structural Metal Framing · Structural Steel Framing · Metal Fabrication · Metal Stairs · Decorative Metal · Openings · Doors and Frames · Metal Doors · Windows · Metal Windows · Electrical engineering · Lighting · Exterior Lighting · Transportation · Bridges · Jail Equipment
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