CHINNICI, IleanaIleanaCHINNICI2020-09-072020-09-072017978-3-319-41486-7http://hdl.handle.net/20.500.12386/27177This chapter explores the role played by the instrument-maker Merz in providing the astronomical instruments and developing the spectroscopic equipment used by Angelo Secchi for his spectral studies, as a case study illustrating the tight connection between scientists and instrument-makers in the advancement of science.STAMPAenBook part10.1007/978-3-319-41486-7_3000422711400004https://link.springer.com/chapter/10.1007/978-3-319-41486-7_32017mete.book...39CFIS/08 - DIDATTICA E STORIA DELLA FISICA