US Patent 455154 - Class B Climax locomotive

Fig. 1 of US Patent 455154 showing a Class B Climax locomotive. Index: A - Boiler A’ - Cab A2 - Tank and Coal-Box A3 - Main Frame-Work B - Wheel C - Engine-Cylinder C’ - Cross-Head C2 - Connecting-Rod C3 - Crank-Disc D - Driver or Main Shaft D’ - Universal Coupling I’ - Worm-Wheel on the Screw-Shaft operating the Gear-Shifter I2 - Worm-Shaft to operate the Gear-Shifter

https://commons.wikimedia.org/wiki/File:Frist_Class_B_Climax_Locomotive.PNG#/media/File:Climax_Lokomotive_B-Klasse_US455154-0.png