Showing 58 results
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Letter from J W Barnard about perpetual motion
Letter from J W Barnard about perpetual motion
Letter from Frederick Matthews about perpetual motion machine
Letter from Frederick Matthews about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine with drawings
Letter from J N Morgan about perpetual motion machine with drawings
Letter from Joseph Driver about perpetual motion,with a note of the Society's decision
Letter from Joseph Driver about perpetual motion,with a note of the Society's decision
Letter from T Glascow about perpetual motion
Letter from T Glascow about perpetual motion
Letter from Robert Michie about perpetual motion
Letter from Robert Michie about perpetual motion
Letter from an engineer about perpetual motion machine
Letter from an engineer about perpetual motion machine
Letter from Robert Dawson about his use of perpetual motion
Letter from Robert Dawson about his use of perpetual motion
Letter from Robert Dawson to Sir Joseph Banks about his improved plough and his mastery of perpetual motion
Letter from Robert Dawson to Sir Joseph Banks about his improved plough and his mastery of perpetual motion
Letter from Lt James Laurie about perpetual motion
Letter from Lt James Laurie about perpetual motion
Letter from Private James Anderson about perpetual motion
Letter from Private James Anderson about perpetual motion
Letter from Thomas Samoth about perpetual motion
Letter from Thomas Samoth about perpetual motion
Letter from Francis Dubourdier about his method of obtaining perpetual motion
Letter from Francis Dubourdier about his method of obtaining perpetual motion
Letter from Border Long about perpetual motion machine (with copy), letter from I W Clarke about hemp in Canada (with copy) and two envelopes
Letter from Border Long about perpetual motion machine (with copy), letter from I W Clarke about hemp in Canada (with copy) and two envelopes
Letter from Benjamin Smart about his perpetual motion machine
Letter from Benjamin Smart about his perpetual motion machine
Letter from Richard Swetnam on his perpetual motion machine
Letter from Richard Swetnam on his perpetual motion machine
Letter from Richard Swetnam on his perpetual motion machine
Letter from Richard Swetnam on his perpetual motion machine