Created with Engineering:

Skill	Recipe	Components	Slot	Source
195	Mithril Tube	x3 3x Mithril Bar		Trainer

Used by: Engineering:

Skill	Recipe	Components	Slot	Source
260	Thorium Rifle	x2 x2 x2 x4 2x Mithril Tube 2x Mithril Casing 2x Thorium Widget 4x Thorium Bar 1x Deadly Scope	Ranged	Recipe, Drop
240	Gnomish Death Ray	x2 x4 2x Mithril Tube 1x Unstable Trigger 1x Essence of Undeath 4x Ichor of Undeath 1x Inlaid Mithril Cylinder	Trinket	Trainer, Recipe
240	Goblin Dragon Gun	x2 x4 x6 x6 2x Mithril Tube 4x Goblin Rocket Fuel 6x Mithril Bar 6x Truesilver Bar 1x Unstable Trigger	Trinket	Trainer, Recipe
240	Sniper Scope	x2 1x Mithril Tube 1x Star Ruby 2x Truesilver Bar		Recipe, Drop
225	Compact Critter Carrier	x10 x10 x2 10x Heavy Leather 10x Mithril Tube 2x Greater Nether Essence 1x Gold Power Core		Recipe, Vendor
225	Gnomish Rocket Boots	x2 x4 x8 x4 1x Black Mageweave Boots 2x Mithril Tube 4x Heavy Leather 8x Solid Blasting Powder 4x Gyrochronatom	Feet	Trainer, Recipe
220	Mithril Heavy-bore Rifle	x2 x6 x2 2x Mithril Tube 1x Unstable Trigger 1x Heavy Stock 6x Mithril Bar 2x Citrine	Ranged	Recipe, Drop
210	Deadly Scope	x2 x2 1x Mithril Tube 2x Aquamarine 2x Thick Leather		Recipe, Vendor
210	Gnomish Goggles	x2 x2 x2 1x Fire Goggles 1x Mithril Tube 2x Gold Power Core 2x Flask of Mojo 2x Heavy Leather	Head	Trainer, Recipe
210	Gnomish Net-o-Matic Projector	x2 x4 x2 x4 1x Mithril Tube 2x Shadow Silk 4x Thick Spider's Silk 2x Solid Blasting Powder 4x Mithril Bar	Trinket	Trainer, Recipe
205	Gnomish Shrink Ray	x4 x4 x2 1x Mithril Tube 1x Unstable Trigger 4x Mithril Bar 4x Flask of Mojo 2x Jade	Trinket	Trainer, Recipe
205	Goblin Mortar	x2 x4 x5 2x Mithril Tube 4x Mithril Bar 5x Solid Blasting Powder 1x Gold Power Core 1x Elemental Fire	Trinket	Trainer
205	Mithril Blunderbuss	x4 x2 1x Mithril Tube 1x Unstable Trigger 1x Heavy Stock 4x Mithril Bar 2x Elemental Fire	Ranged	Trainer
130	Goblin Rocket Boots	x2 x4 x2 1x Black Mageweave Boots 2x Mithril Tube 4x Heavy Leather 2x Goblin Rocket Fuel 1x Unstable Trigger	Feet	Trainer, Recipe
?	Mobile Alarm	x4 1x Mithril Tube 1x Unstable Trigger 4x Mithril Bar

Objective of

Level	Name	Start	Rewards
47	Show Your Work Horde and Alliance Engineering	Tinkmaster Overspark <Master Gnome Engineer> Ironforge	3150 XP
47	Show Your Work Horde and Alliance Engineering	Oglethorpe Obnoticus <Master Gnome Engineer> Stranglethorn Vale	3150 XP