BLI 8514 N Scale M1b 4-8-2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound/DC/DCC) trx-4m Laser etched tool size

Laser etched tool size

Atlas 171 HO Scale Code 100 Track 19 Degree Custom-Line Crossing

20 inches (183 mm)

Authors Paul and David Bradt show how inexpensive Arduino and Raspberry Pi microcontrollers can be used to control sound

Bowser 43481 HO Scale 70 Ton 14 Panel 3 Bay Hopper Penn Central PC 459644

BLI 8514 N Scale M1b 4-8-2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound/DC/DCC) trx-4m Laser etched tool sizeBLI 8514 N Scale M1b 4 8 2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound DC DCC) The M1a's and M1b's are 4 8 2 "mountain" type steam locomotives operated by the Pennsylvania Railroad. Used primarily for hauling freight, many PRR crews regarded the M1's as the pinnacle of the railroad's steam power. Standout features on both classes are the square shouldered Belpaire firebox, the 72 inch driving wheels, and a large cross mounted air tank positioned