Here are photos from Spiderless of different unobstructed designs:

7 inch Jones Medial

12 inch Chief

17 inch Chief

Adjustable Lens cell`

Art’s push-pull cell

Art’s Chief

Art’s lens Board

Art’s Mirror Casting Efforts

Brian’s 16 inch Chief

Carl Anderson Files

Clavius

Clif’s Schupmann Photos

Dave O’s mirror tilt

Ed Jones Stuff

Ed’s 6 inch Chief

Ed’s Woody Finder

Gary Fuchs Delmarva Schief

Jack Swaton 10 inch F10 Prototype

Jack Swaton 10 inch F11 Chief

Jones-Medial variants

Kevin’s Chief

Ed’s lens making

Randys Chief Pics

Richard Buchroeder & his Chief

Schafer mfr, tooling

Tom Peck’s Pic

Tim’s 8 inch F8 Chief

Wes James