![NPG x44698; Sir William James Herschel, 2nd Bt; Amelia (née Herschel), Lady Wade; Alexander Stewart Herschel; Julia Mary Maclear (née Herschel) - Portrait - National Portrait Gallery NPG x44698; Sir William James Herschel, 2nd Bt; Amelia (née Herschel), Lady Wade; Alexander Stewart Herschel; Julia Mary Maclear (née Herschel) - Portrait - National Portrait Gallery](https://collectionimages.npg.org.uk/std/mw174419/Sir-William-James-Herschel-2nd-Bt-Amelia-ne-Herschel-Lady-Wade-Alexander-Stewart-Herschel-Julia-Mary-Maclear-ne-Herschel.jpg)
NPG x44698; Sir William James Herschel, 2nd Bt; Amelia (née Herschel), Lady Wade; Alexander Stewart Herschel; Julia Mary Maclear (née Herschel) - Portrait - National Portrait Gallery
![A Handy History of Fingerprints Or Herschel's 'Weapon of Penetrating Certainty.' | David Kidd-Hewitt A Handy History of Fingerprints Or Herschel's 'Weapon of Penetrating Certainty.' | David Kidd-Hewitt](https://davidkiddhewitt.files.wordpress.com/2017/07/fingerprints_crop.jpg)
A Handy History of Fingerprints Or Herschel's 'Weapon of Penetrating Certainty.' | David Kidd-Hewitt
![Sir William Herschel. Stipple engraving by J. Thomson, 1823, after F. Rehberg, 1814. | Wellcome Collection Sir William Herschel. Stipple engraving by J. Thomson, 1823, after F. Rehberg, 1814. | Wellcome Collection](https://iiif.wellcomecollection.org/image/V0002728EL/full/full/0/default.jpg)
Sir William Herschel. Stipple engraving by J. Thomson, 1823, after F. Rehberg, 1814. | Wellcome Collection
![A Handy History of Fingerprints Or Herschel's 'Weapon of Penetrating Certainty.' | David Kidd-Hewitt A Handy History of Fingerprints Or Herschel's 'Weapon of Penetrating Certainty.' | David Kidd-Hewitt](https://davidkiddhewitt.files.wordpress.com/2017/07/herschel.jpg?w=640)