"N&W" Signal Dept. lock. "M.D."? brass lock by Yale. no

"N&W" Signal Dept. lock. "M.D."? brass lock by Yale. no key

This is a brass Nickel Plate Road Railroad signal department lock, made by Yale. It has a replacement key that opens the lock easily.

Yale B&O Signal Dept. brass lock, TOLEDO DIVISION, no key.

Yale Wabash Railroad Brass Signal Dept. Lock w/ Key Yale Wabash Railroad Brass Signal Dept. Lock w/ Key. The front of the lock body has the Wabash flag herald cast into the body w/ Signal Dept. stampe

Yale Wabash Railroad Brass Signal Dept. Lock w/ Key The front of the lock body has the Wabash flag herald cast into the body w/ Signal Dept. stamped around the flag. The reverse has the Yale logo cast

Yale Western Maryland Railroad Brass Signal Dept. Lock. The front of the lock body has WM cast into the body w/ Signal stamped on the top of the circle. The reverse has the Yale logo cast into the bod

Yale Pittsburgh & Lake Erie Railroad Brass Signal Dept. Lock w/ Repro Key The front of the lock body has the P. & L.E. R.R. cast into the body w/ Signal Dept. stamped around the lettering. The reverse

At first glance it looks like a common New Haven Signal Department, but this lock has TELG DEPT stamped around the "Yale" circle on one side. The other side has the New Haven cast initials. Not common

Yale Nickel Plate Railroad Signal Department Brass Railroad Lock. Cast with Nickle R.R. Plate and stamped with SIGNAL DEPT on the front of the lock body, reverse has the Yale logo cast in. Includes Cu

Yale Nickel Plate Signal Department Brass Railroad Lock w/ Key Cast with Nickel R.R. Plate and stamped with SIGNAL DEPT on the front of the lock body, reverse has the Yale logo cast in. Body has minor

Yale Chesapeake and Ohio Signal Department Brass Railroad Lock Cast with C&O and stamped with SIGNAL DEPT on the front of the lock body, reverse has the Yale logo cast in. Includes original National K

A pair of locks made for the Buffalo Rochester & Pittsburgh Railway: (1) Yale brass signal lock with ornate initials cast on face plate and ENGINEERING DEPT stamped faintly under that. (2) Raised cast

Yale Baltimore and Ohio Signal Department Brass Railroad Lock Cast with B&O and stamped with SIGNAL DEPT on the front of the lock body, reverse has the Yale logo cast in and Newark Division stamped ar

Norfolk and Western Railroad Signal Dept. Brass Lock Norfolk and Western Railroad Signal Dept. Brass Lock. Stamped w/ N&W SIGNAL DEPT. Some additional silver paint on the body of the lock. No key

3 Yale signal locks with Buffalo Rochester & Pittsburg Railway initials cast in the center of each. They take a flat key in the bottom. All show a little age and weathering.

3 brass locks from Yale. All are New Haven with the script logo. 2 are standard "Signal" and there is one operating key for the 2 signals. The 3rd is a hard to find "B&B" which I think is Bridge & Bui

A Yale brass signal lock marked IU RY CO. This was a traction/interurban line in Indiana. Nice marking some dings.

A brass lock made by Yale for thee signal department of the New York Ontario & Western Railway. Nice O&W logo on one side of the lock.

Missouri, Kansas, and Texas Railroad Yale Signal Department Brass LockMissouri, Kansas, and Texas Railroad Yale Signal Department Lock Lock body is cast with The MK and T herald along with Signal Dept

Cleveland, Cincinnati, Chicago and St. Louis Railway / Big Four Yale Signal Dept. Lock w/ Key. Cleveland, Cincinnati, Chicago and St. Louis Railway / Big Four Yale Signal Dept. Lock w/ Key. Lock body

Five Baltimore and Ohio Railroad Locks - Yale Brass and AdlakeGroup of five Baltimore and Ohio railroad locks. Includes Yale brass lock stamped with B&O ELEC. DEPT around the Yale casting, a Yale bras

A brass signal lock with SIG DEPT marked above a diamond with ERIE across the center. Some scratches , no maker.

This is a Wabash Railroad brass signal lock. Has the Wabash flag logo on the front. Made by the Yale and Towne Manufacturing Company.

Missouri Pacific Railroad Brass Small Signal Department Yale Lock Missouri Pacific Railroad Brass Small Signal Department Yale Lock. Cast with M.P. Signal on the front of the lock body and Yale on the