.45-75 Winchester cartridge advertisement from 1908-1914 McLennan &amp; McFeely Catalogue. 45-75 - W.C.F., powder 75 grains, bullet 350 grains, adapted to Winchester model 1876 repeating, also Winchester single shot rifles.
McLennan &amp; McFeely
<a rel="nofollow" class="external free" href="https://archives.vancouver.ca/projects/McMcpdf/A53552_G.pdf">https://archives.vancouver.ca/projects/McMcpdf/A53552_G.pdf</a>