diff --git a/guide.lua b/guide.lua
index 8186385..c7d0851 100644
--- a/guide.lua
+++ b/guide.lua
@@ -183,7 +183,7 @@ local pages={
 				},
 				{
 					name="efficiency",
-					value=tostring(industrialtest.CableFormer.efficiency)
+					value=tostring(1/industrialtest.CableFormer.efficiency)
 				}
 			},S("Cable Former")),
 			[[
@@ -259,7 +259,7 @@ local pages={
 				},
 				{
 					name="efficiency",
-					value=tostring(industrialtest.Compressor.efficiency)
+					value=tostring(1/industrialtest.Compressor.efficiency)
 				}
 			},S("Compressor")),
 			[[
@@ -299,7 +299,7 @@ local pages={
 				},
 				{
 					name="efficiency",
-					value=tostring(industrialtest.ElectricFurnace.efficiency)
+					value=tostring(1/industrialtest.ElectricFurnace.efficiency)
 				}
 			},S("Electric Furnace")),
 			[[
@@ -339,7 +339,7 @@ local pages={
 				},
 				{
 					name="efficiency",
-					value=tostring(industrialtest.Extractor.efficiency)
+					value=tostring(1/industrialtest.Extractor.efficiency)
 				}
 			},S("Extractor")),
 			[[
@@ -407,6 +407,47 @@ local pages={
 				<left>||Picture 1. Geothermal Generator producing power from <b>Lava</b>||</left>
 			]]
 		}
+	},
+
+	{
+		name="inductionFurnace",
+		title=S("Induction Furnace"),
+		icon="industrialtest:induction_furnace",
+		content={
+			[[
+				<big>||Induction Furnace||</big>
+				<left>
+					||Induction Furnace like Electric Furnace uses electricity to smelt items. The difference between those is that Induction Furnace when running builds up heat internally over time. This property results in Induction Furnace smelting items faster the longer it's running. Once smelting is finished Induction Furnace begins to slowly lose heat. The heat level is indicated on the left of formspec.||
+					||Furthermore Induction Furnace allows to smelt 2 different items at once increasing efficiency even more.||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="inputVoltage",
+					value="MV"
+				},
+				{
+					name="recipe",
+					value="Smelting"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.InductionFurnace.capacity)
+				},
+				{
+					name="opPower",
+					value=string.format("%d EU",industrialtest.InductionFurnace._opPower)
+				},
+				{
+					name="efficiency",
+					value=tostring(1/industrialtest.InductionFurnace._efficiency)
+				}
+			},S("Induction Furnace")),
+			[[
+				<img name="industrialtest_guide_induction_furnace.png" width="{{IMAGE_WIDTH}}">
+				<left>||Picture 1. Induction Furnace smelting <item name="industrialtest:copper_dust" height="{{ITEM_HEIGHT}}"> <b>Copper Dust</b> and <item name="industrialtest:iron_dust" height="{{ITEM_HEIGHT}}"> <b>Iron Dust</b> into <item name="{{elementKeyCopperIngot}}" height="{{ITEM_HEIGHT}}"> <b>Copper Ingot</b> and <item name="{{elementKeyIronIngot}}" height="{{ITEM_HEIGHT}}"> <b>Iron Ingot</b>.||</left>
+			]]
+		}
 	}
 }
 
@@ -453,6 +494,7 @@ local function getGuideFormspec(playerName,pageName)
 				ITEM_HEIGHT=16,
 				elementKeyBucket=industrialtest.elementKeys.bucket,
 				elementKeyCoal=industrialtest.elementKeys.coal,
+				elementKeyCopperIngot=industrialtest.elementKeys.copperIngot,
 				elementKeyIronIngot=industrialtest.elementKeys.ironIngot,
 				elementKeyRubber=industrialtest.elementKeys.rubber,
 				elementKeyRubberWood=industrialtest.elementKeys.rubberWood
diff --git a/textures/industrialtest_guide_induction_furnace.png b/textures/industrialtest_guide_induction_furnace.png
new file mode 100644
index 0000000..ad1d1b2
Binary files /dev/null and b/textures/industrialtest_guide_induction_furnace.png differ