Samuel Hall's improvements on steam engines : consisting of an improved method of condensing the steam and supplying water to the boilers of such steam engines as are wrought by vacuum produced by condensation, an improved method of lubricating engine pistons, piston rods and valves or cocks, and an improved piston and valve

Special Report - Pipeline Report - US national mapping system growing, adjusting to security concerns

Fischer, Steven, (2001)

Samuel Hall's address to the British Association : explanatory to the injustice done to his improvements on steam engines by Dr. Lardner

Hall, Samuel, (1837)

Description of the operation of Samuel Hall's patent condensers and ... his improvements on steam engines : also a description of his patent smoke consuming apparatus and reefing paddle wheels

Hall, Samuel, (1843)