Correspondence, blueprints.

Correspondence between railroad engineers regarding installation of communications systems (telephone, telegraph, and pneumatic tube) at LAUPT, including plans for duct lines, power, telephone, and telegraph lines. Also includes blueprint of telephone locations for all LAUPT sections.

Correspondence.

Correspondence between railroad engineers regarding installation of communications systems (telephone, telegraph, and pneumatic tube) at LAUPT, including cost estimates for communications facilities.

Contract, blueprints.

Contract between railroads and Lamson Company, Inc. for installation of a pneumatic tube communication system. Also includes blueprints of system.

Correspondence, blueprints.

Correspondence between railroad engineers regarding subcommittee of electrical engineers, including diagram of power requirements, blueprint of clock locations, wiring diagram, duct line sections, ornamental lighting standards, circuit breaker & connection pit for train air conditioning, building requirements from Bureau of Power and Light, Department of Water & Power, City of Los Angeles.

Correspondence, blueprints.

Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including blueprints of driveway lighting conduit, air conditioning feeders and sub-feeders, circuit breaker & connection pit for train air conditioning, wiring diagrams for various building sections, conduit details.

Correspondence, blueprints.

Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including blueprints of conduit spacing, air-conditioning equipment on Pullman car, ornamental lighting standards, baggage and express unit electric wiring, air conditioning and sub-feeders, baggage and express unit longitudinal and cross sections, etc.

Correspondence, blueprints.

Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including blueprint of arrangement of conduits & junction boxes on train shed, driveway lighting conduit, reflected ceiling plan for train concourse and reception room, stairway wiring diagram and conduit layout, etc.

Correspondence, blueprints.

Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including blueprints of curb box for battery charging receptacle, lighting train concourse, strip lighting, reflected ceiling plan of marquise, west elevation, main entrance, curb recess for air conditioning receptacle, etc.

Correspondence, blueprints.

Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including blueprints of panel fixture for strip lighting, wiring diagram for first floor train concourse, baggage unit electric wiring. Also includes memorandum of meeting of electrical committee and study for marquise lighting.

Correspondence, blueprints. Correspondence between railroad engineers regarding business of subcommittee of electrical engineers, including memorandum of meetings of mechanical-electrical engineers subcommittee and cost estimate for labor and materials for wiring and fixtures. Also includes diagram of passenger platform grade change.