Single sheet. Engraved. Scale: [1:75,000]. 9 Views. 18 Lighthouse profiles; (A) Formby S.E. Mark; (B) N.W. Formby Mark; (C)New Channel Mark; (D) Lower Hoylake Light House; (E) Upper Hoylake Light House; (F) Leasowe Light House; (G) Bidston Light House; (H) Grange Beacon; (I) Rock Light House; (J) New Lighthouse at Air Point; (K) Helbre Marks; (L) Dove Marks; (M) Victoria Channel Bell Beacon; (N) Bootle Marks; (O) Inner or Walton Mark; (P) Crosby Mark; (Q) Crosby Light House; 3 Lightship profiles; (A) N.W. Light Ship; (B) Formby Light Vessel; (C) Crosby Light Vessel.