comprising a Ross Homocentric f/6.3 7 inch in a Compur shutter, working but sticky at slow speeds, an Aldis-Butcher f/4.5 3 inch in a Compur shutter, speeds all the same, an Aldis-Butcher f/4.5 4 inch in a Compur shutter, speeds all the same, a Dallmeyer f/3.5 3 inch in a Compur shutter, not working, and a Carl Zeiss Jena Tessar f/4.5 12cm in a Compur shutter, working but sticky at slow speeds, barrels F-G, optics F with haze.