01185nam 2200385Ia 450 99638404610331620221108091641.0(CKB)1000000000587243(EEBO)2240898028(OCoLC)11276087(EXLCZ)99100000000058724319841017d1671 uy |engurbn||||a|bb|[A description of a mathematical instrument][electronic resource] /made by John Browne[London s.n.,]16711 sheetIn the drawing: 1671 Made by John Browne at the Sphear & Sun Diall in the Great Minories neer Aldgate London.Reproduction of the original in the Chetham's Library.eebo-0025CalculatorsMathematical instrumentsEnglandCalculators.Mathematical instrumentsBrown Johnphilomath.396957EAKEAKUMIm/cUMIWaOLNBOOK996384046103316A description of a mathematical instrument2304370UNISA