BLMA was founded by Craig Martyn in July 2000. The company is located in
Whittier, California. BLMA produces a line of high-quality, etched-metal,
injection-molded and machine-bent wire detail parts for locomotive and scenery
use.

ATSF Style Double-Track Signal Bridge w/Nonoperating Signal Heads - Kit This ATSF-Style Double-Track Signal Bridge is patterned after a typical installation used by the Santa Fe and other railroads. The kit includes a pair of non-operating target-style signal heads (which can be illuminated with LEDs or bulbs (sold separately) and complete instructions. If you just want to add additional signal heads to the signal bridge or for other signal projects, the new Target-Style Signal Heads kit is for you. Both of these kits feature unpainted etched and cast-metal parts and complete assembly instructions. Target-Style Non-Operating Signal Heads ATSF-Style Double-Track Signal Bridge

Modern Cantilever Signal Bridge -- Assembled w/4 Working 3-Aspect Signal Heads Based on modern tubular signal bridges used by several major Class I lines and modern commuter railroads, this layout-ready signal bridge is ideal for your double-track lines. Each model includes four prewired, micro-LED signal heads with three aspects per head (red, yellow, green). This accurately scaled signal bridge features durable plastic parts and etched-metal walkways. Each supporting leg houses four wires, (one common and one for each LED). The model is ready for hookup to your choice of detection circuitry, sold separately. Specifications: LEDs require 2 to 2.2VDC @ 25 - 30mA. Bridge is wired in the common anode configuration.