Hermagis Lenses (various)

(1) Aplanat No.7 no.23753, focal length c.20cm, lens diameter c.3cm, total height c.5.5cm, (2) Petzval lens engraved 'HERMAGIS Optn Fabt Brevete S.G.D.G. Paris', c.20cm focal length, lens diameter c.5.5cm, mounting ring, total height incl. hood c.15.5cm, rack and pinion focusing not operable, (3) Petzval lens engraved 'No.14080 HERMAGIS Opten Fabnt Brevete s.g.d.g. Paris', c.20cm focal length, lens diameter c.5.5cm, for waterhouse stops, total height incl. hood c.15.5cm, rack and pinion focusing missing, rear element doesn't screw fully in (3)