Credit: © The Royal Society
                             
                         
                     
                         
                         
                             
                                 Image number: RS.10396
                             
                         
                         
                     
                 
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            Steel yard balance swing
                                Date
                            
                            
                                1742
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Timothy Sheldrake (British) , Botanist
                            
                            
                        
                            
                            
                            
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                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (drawing): 252mm
width (drawing): 368mm
                            
                        
                            
                            
                            width (drawing): 368mm
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                                Description
                            
                            
                                Front view of a medical instrument intended to correct deformities or irregularities in human bones and muscles. The device used gravity by suspending a patient (most likely a child) from the balance arms. The drawing includes details of weights and suspension tethers. 
Figure from the paper “The description and uses of the steel-yard balance swing”, by Timothy Sheldrake, Philosophical Transactions of the Royal Society, vol. 42 1742-1743, pp.20-25.With pencil annotations instructing the engraver.
The botanist Timothy Shedrake’s eldest son, also Timothy Sheldrake (1729-1800) made his living as a truss-maker but would be too young to have authored this paper.
                            
                            
                        
                            
                            
                            Figure from the paper “The description and uses of the steel-yard balance swing”, by Timothy Sheldrake, Philosophical Transactions of the Royal Society, vol. 42 1742-1743, pp.20-25.With pencil annotations instructing the engraver.
The botanist Timothy Shedrake’s eldest son, also Timothy Sheldrake (1729-1800) made his living as a truss-maker but would be too young to have authored this paper.
                                Associated place