Today's installment concludes Photography Invented,our selection by William Jerome Harrison.If you have journeyed through all of the

It was at this period that Madame Daguerre sought advice as to the sanity of her husband and was not perhaps much comforted by the assurance of the

The discovery which I have made and to which I give the name of 'heliography,' consists in producing spontaneously, by the action of light, with

Making but a short stay in England, Niepce returned to France, where, in 1829, he entered into a partnership with another investigator named