Fig. 145-Rear View, of I. H. C. Tractor Showing Control 333 Fig. 146-Control Levers and Starting Crank of "Twin 335 Fig. 147-Control System of Holt Caterpillar Tractor 338 Fig. 148-Operator's Cab of Pioneer Gas Tractor With 339 Fig. 150-Plan View Outlining Suggested General Arrangement of Tractor House With Repair Shop and Workroom . 345 347 Fig. 150A-Interior View of Household Workroom in Which 351 355 356 Fig. 152B-Bowser Underground Fuel Storage System for 358 Fig. 153-Tools That Will be Found Useful in Working 361 Fig. 154-Blacksmith Shop Equipment That Will be 363 364 Fig. 155-Complete Set of Carpenter's Tools a Useful Ad- 368 Fig. 158-Side View of Bates Gas Tractor Showing Accessibility of Power Plant When Automobile Type Motor Hood is Raised 369 Fig. 158A-Showing Accessibility of Power Plant on Holt 370 Fig. 159-Power Plant of "Twin City 25" Gas Tractor Fig. 160 Showing How a Piston of Gas Traction "Big Four" 372 373 Fig. 161-How Valve Spring and Valve May be Removed 377 Fig. 162-Method of Using Bit Brace and Screwdriver 378 Fig. 163-Bottom View of Crankcase With Bottom Half Fig. 165-Tools That Facilitate Refitting of Bearings 385 386 . 387 392 395 398 Fig. 168-Driving Gears of "Twin City 25" Gas Tractor Fig. 170-These Three Gas Tractors Are Doing the Work 400 402 Fig. 171-Holt Caterpillar Tractor at Work Ploughing 403 Fig. 172-Typical Hand Lift Five Bottom Gang Plough 404 404 Fig. 174-View Showing Mechanism of Avery "Self Lift 405 Fig. 175-Plan Views of Combination Hitches That Save . 406 407 Fig. 176-Ploughing, Packing, Harrowing and Seeding Fig. 179-Wrought Iron Pipe Drill Hitch for Three Drills Fig. 182-Avery Gas Tractor Outfit Owned by D. M. 409 409 410 410 411 . Fig. 183-Details of Easily Constructed Harrow Hitch for 412 Fig. 184-Practical Application of I. H. C. "Mogul" Tractor in Road Grading Work 412 Fig. 185-Avery Gas Tractor Pulling Western Wagon Loader 413 415 Fig. 187-Special Wagon Adapted to be Used in Train Fig. 188-Combination Road Roller and Tractor, an 416 417 418 419 Fig. 190—I. H. C. Gas Tractor Pulling Three McCormick Fig. 191-The Threshing Outfit Entrained Ready for Fig. 192-Gas Tractor Not Only Cuts but Stores the 421 422 Fig. 193-Holt Caterpillar Tractor Demonstrates Its Worth In Swampy Ground 424 Fig 194-The Modern Gas Tractor Makes Hauling of 425 426 427 428 Fig. 198-Method of Installing Auto-tractor Under Rear Axle of Car and General Construction of the Attachment Outlined 429 Fig. 199-Side View of Automobile, Equipped With Autotractor Attachment 431 Fig. 200-Rear View of Automobile With Auto-tractor Attachment, Showing Practical Application in Ploughing. 434 Fig. 201-The Common Sense Gas Tractor is Built Very Much on the Lines of an Automobile 439 Fig. 202-The Gray Tractor Utilizes Special Drum Traction Fig. 203—Traction Drum of Gray Tractor at A and Method of Absorbing Chain Drive Shocks by Coil Buffer Spring shown at B 440 442 Fig. 204-The Bates Steel Mule Tractor Attaches to All Farming 443 444 Fig. 206-Skeleton Type of Drive Wheel Used on Hart-Parr "Little Devil" Oil Tractor 445 Fig. 207-Sectional View of Two-stroke Cycle Oil Engine Used on Hart-Parr Three-wheel Tractor Showing Method of Fuel 446 Fig. 208-Sectional View of Water Spray Portion of Hart-Parr Fig. 209-The Universal Motor Cultivator with One of the 448 Fig. 210-The Beeman Garden Tractor and Walking Engine Fig. 211-The Bennett Dust Filter for Removing Grit from Air Fig. 213-Specifications Galloway's "Farmobile" Fig. 214-Specifications Rumley "All Purpose Fig. 216-Specifications Big Bull Tractor Fig. 217-Specifications Standard Detroit Fig. 219-Specifications Case "25" Tractor Fig. 220-Specifications Emerson Farm Tractor 449 451 452 455 456 457 458 459 . 460 461 462 Fig. 221-Avery 5-10 Tractor Fig. 223-Side View of Tom Thumb Tractor with Hood Sides Fig. 224 Specifications Tom Thumb Tractor Fig. 226-A Simple Method of Determining Grade Percentages without a Gradometer 475 Fig. 227-Road Signs of American Motor League that Give 478 489 |