Showing 58 results
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Letter from William Eustace about his perpetual motion machine
Letter from William Eustace about his perpetual motion machine
Letter from John Ashfold about his discovery of perpetual motion
Letter from John Ashfold about his discovery of perpetual motion
Letter from William Nisbet about perpetual motion
Letter from William Nisbet about 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 T Glascow about perpetual motion
Letter from T Glascow about perpetual motion
Letter from Lt James Laurie about perpetual motion
Letter from Lt James Laurie about perpetual motion
Letter from James Randoll about his perpetual motion machine
Letter from James Randoll about his perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from Robert Michie about perpetual motion
Letter from Robert Michie about perpetual motion
Letter from J N Morgan about perpetual motion machine
Letter from J N Morgan about perpetual motion machine
Letter from Nicholas Bellew about perpetual motion
Letter from Nicholas Bellew about perpetual motion
Letter from G H Bates about premium for perpetual motion
Letter from G H Bates about premium for perpetual motion
Letter from Thomas Edwards about perpetual motion
Letter from Thomas Edwards about perpetual motion
Letter from Thomas Edwards about perpetual motion
Letter from Thomas Edwards about perpetual motion
Letter from M de Cybulski in French on perpetual motion
Letter from M de Cybulski in French on perpetual motion
Letter from M de Cybulski in French on perpetual motion
Letter from M de Cybulski in French on perpetual motion
Letter from William Billingsley about perpetual motion machine
Letter from William Billingsley about perpetual motion machine
Letter from William Billingsley about perpetual motion machine
Letter from William Billingsley about perpetual motion machine
Letter from Pietro Sladwick about his perpetual motion machine
Letter from Pietro Sladwick about his perpetual motion machine
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