dwarf CPL minutia

[NW Mailing List]

Jim,
     Ok, moving ahead to the March 1, 1981 rule book, the dwarf signals 
could display: Slow Clear, Slow Approach, Restricting, Stop and Stay 
(This name had simply changed to Stop in the December 15, 1999 rule book).
Now to your question. The picture of the dwarf signal in the '67 rule 
book has the top of the signal box curved on both sides at the top. It 
really makes no difference what shape the box is in as it is all about 
the aspect. The dwarf signal "Restricting" aspect is yellow on the top 
left with red on the lower right.

Jimmy Lisle

On 4/18/2024 12:02 PM, NW Mailing List wrote:
> Thanks for the reply, Jimmy.  The attachments from an NS 1992 
> timetable indicate that the  "curve on the left" style could show:  
> slow clear, slow approach and stop.  Does your '67 rule book show that 
> this type could display restricting by lighting the amber/yellow and 
> the lower right red positions?
> Does anyone have pictures or pointers to pictures showing dwarf CPLs 
> in use?
> Thanks again,
> Jim Cochran
>
> On Thu, Apr 18, 2024 at 9:54 AM NW Mailing List 
> <nw-mailing-list at nwhs.org> wrote:
>
>     Jim,
>          The old PL dwarf signals could display the following: Clear,
>     Restricting, Stop and Flag (Number Plate) [This was at restricted
>     speed
>     protecting against trains approaching with the current of traffic.],
>     Stop and Stay.
>
>          The CPL dwarf signals (Rule book effective January 1, 1967)
>     could
>     display: Slow Clear, Slow Approach, Restricting, Stop and Proceed
>     (Number Plate), Stop and Stay.
>
>     Hope this helps.
>
>     Jimmy Lisle
>
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