Goerz Sector Shutter

[Fotoguy20d]

Does anyone know how to operate a goerz sector shutter? And, does anyone know what it looks like when properly assembled? I have one from the late 1890s that's in pieces in a ziplock bag.

Thanks,
Dan

[E. von Hoegh]

Does anyone know how to operate a goerz sector shutter? And, does anyone know what it looks like when properly assembled? I have one from the late 1890s that's in pieces in a ziplock bag.

Thanks,
Dan

The pressed metal prong in the bottom middle is to cock it. The brass thingy on the lower right is to release it, the brass thingy on the lower left is the regulating piston/cylinder. The small knob with pointer at about 10:00 is to select instant or bulb. The dials select aperture and shutter speed.

The Sector was introduced in 1904, according to my information. Yes, I know what it looks like inside - I've been using one for some years.