Railroad Switch Keys

Ohio & Mississippi No hallmark Brass Switch Key O&MRR

Ohio & Mississippi

No hallmark O&MRR

Oklahoma, New Mexico and Pacific Railway Handlan-Buck Mfg. Co. Brass Switch ONM&PRY

Oklahoma, New Mexico and Pacific Railway

Handlan-Buck Mfg. Co. ONM&PRY

Omaha Kansas City & Eastern RY M. M. Buck & Co. Brass Switch Key OKC&ERY

Omaha Kansas City & Eastern RY

M. M. Buck & Co. OKC&ERY

OMAHA RY Adlake (straight) Brass Switch Key OMAHARY

OMAHA RY

Adlake (straight) OMAHARY

Oregon Railroad & Navigation A&W shown in hexagon hallmark Brass Switch OR&N CO

Oregon Railroad & Navigation

A&W shown in hexagon hallmark OR&N CO

Oregon Railway & Navigation A&W in oval hallmark Brass Switch OR&N CO

Oregon Railway & Navigation

A&W in oval hallmark OR&N CO

Oregon Short Line Brass Switch OSL

Oregon Short Line

OSL

Oregon Washington RR & Navigation A&W shown in oval hallmark Brass Switch OWRR

Oregon Washington RR & Navigation

A&W shown in oval hallmark OWRR