A Single-Motor Pneumatic Compressor and Actuator (Lego Technic)
Lego Mini Pneumatic PUMP + CYLINDER (technic,switch,air,tank,tubing, compressor) | eBay
A beautifully-designed LEGO pneumatic compressor | Arduino Blog
LEGO Pneumatic Motorized Compressor with Building Instructions - YouTube
Sariel.pl » Compressors
technic - Which sets currently contain pneumatic LEGO equipment? - Bricks
Lego pneumatic compressor automated by Arduino for future Lego train projects - YouTube
TRCS Technique Pneumatic Building Block Kit 469 Parts Technical Spare Parts Set Pneumatic Compressor MOC Building Toy Compatible with Lego : Amazon.com.be: Toys
LEGO Compact Pneumatic Compressor/Valve Unit [WITH INSTRUCTIONS!] - YouTube
Sariel.pl » Compressors
Lego pneumatics - Wikipedia
Third party mini compressor for pneumatics? - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
LEGO MOC Air Compressor by BKu | Rebrickable - Build with LEGO