ANOTHER STIRLING ENGINE

MARY'S MARBLE MACHINE

Running a miniature steam power plant for a model steam boat

THREE STIRLING ENGINES

MODEL RHOMBIC STIRLING ENGINE

TANDEM CRANK STIRLING ENGINE

STIRLING ENGINE MADE BY LES PROPER

INTERNAL COMBUSTION ENGINE NO. 6

MINIATURE 4-STROKE INTERNAL COMBUSTION ENGINE

MINIATURE HIT & MISS INTERNAL COMBUSTION ENGINE

VERTICAL COPPER BOILER STEAM ENGINES

ODDS & ENDS ENGINE, Built by Les Proper

Miniature 4-Stroke Hit & Miss Internal Combustion Engine

MINIATURE 4-STROKE INTERNAL COMBUSTION ENGINE

BUILDING A MINIATURE 4-STROKE INTERNAL COMBUSTION ENGINE, PART 3 CONNECTING ROD

MAKING A MINIATURE 4 -STROKE I. C. ENGINE, PART 2 - CRANKSHAFT

MAKING A MINIATURE 4-STROKE I.C. ENGINE, PART 1 BLOCK/CRANKCASE

MINIATURE, 4 - STROKE, INTERNAL COMBUSTION ENGINE WITH SPARK IGNITION

DRAGONFLY AIR RIFLE

MAKING AGATE RINGS

MARBLE MACHINE MEDLEY

MAIDEN VOYAGE OF THE VITAL SPARK

MAUDSLAY REVERSING GEAR ON MINIATURE STEAM ENGINE

MINIATURE STEAM ENGINES WITH REVERSING VALVES

NEW HUBER STEAM TRACTION ENGINE

TEST OF LIFTING MECHANISM FOR MARBLE MACHINE

Minneapolis Steam Traction Engines, 1/20 Scale Model Live Steamers

MODEL STEAM ENGINES

TWO MINIATURE STEAMBOAT POWERPLANTS

MODEL STEAM ENGINE