Aqua glass bottle/ phial for ‘Mrs Winslow’s Soothing Syrup, Curtis and Perkins Proprietors’. By the late 1870s, soothing preparations for infants were already notorious for the harm they could cause. Many contained opiates/ morphine. They helped quieten bawling infants during teething. Mrs Winslow’s, however, earned the nickname ‘baby killer’ because not every baby woke from its effects.