Northern Pacific Engineering Drawing: Master Retarder at Pasco, Washington, prepared in 1978. Burlington Northern File Number 4654, Reference Number 10101, Sheet 001.

Northern Pacific Engineering Drawing: Master Retarder at Pasco, Washington, prepared in 1970. Burlington Northern File Number 4654, Reference Number 10107, Sheet 002.

Northern Pacific Engineering Drawing: Load Adjuster at Pasco, Washington, prepared in 1957. Burlington Northern File Number 4751, Reference Number 10110, Sheet 001.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Pasco, Washington, prepared in 1962. Burlington Northern File Number 4646, Reference Number 10102, Sheet 002.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Pasco, Washington, prepared in 1962. Burlington Northern File Number 4646, Reference Number 10102, Sheet 001.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Pasco, Washington, prepared in 1960. Burlington Northern File Number 4646, Reference Number 10105, Sheet 004.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Pasco, Washington, prepared in 1960. Burlington Northern File Number 4646, Reference Number 10106, Sheet 003.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Pasco, Washington, prepared in 1959. Burlington Northern File Number 4646, Reference Number 10101, Sheet 001.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller Side Rails at Pasco, Washington, prepared in 1959. Burlington Northern File Number 4646, Reference Number 10106.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller Centering Device at Pasco, Washington, prepared in 1959. Burlington Northern File Number 4646, Reference Number 10110.