[PRCo] Re: Air Brakes - CERA Trolley Sparks 85

[ROBERT R ROCKWELL]

Briefly, how did the West Penn track brake work ?
Robert Rockwell
w3syt1 at msn.com<mailto:w3syt1 at msn.com>
  ----- Original Message ----- 
  From: Mark McGuire<mailto:macmarka at netzero.net> 
  To: pittsburgh-railways at dementia.org<mailto:pittsburgh-railways at dementia.org> 
  Sent: Friday, December 07, 2007 10:12 PM
  Subject: [PRCo] Re: Air Brakes - CERA Trolley Sparks 85