The British Mars - containing several schemes and inventions, to be practiced by land or sea against the enemies of Great-Britain; shewing more plainly, the great advantage Britain has over other (14595022440)

Identifier: britishmarsconta00robs (find matches)
Title: The British Mars : containing several schemes and inventions, to be practiced by land or sea against the enemies of Great-Britain ; shewing more plainly, the great advantage Britain has over other nations, by being masters at sea ; to which is added, an appendix, containing a scheme for manning the British navy, with less grievance to the subject; and a scheme to employ seamen ; of a copper mine near Hudson's Bay and of discovering the North-West passage, or determine there is no such passage ; with cautions and directions
Year: 1763 (1760s)
Authors: Robson, Joseph
Subjects: Great Britain. Royal Navy Military art and science Naval art and science Fortification
Publisher: London : Printed for the author, and sold by W. Flexney
Contributing Library: University of Pittsburgh Library System
Digitizing Sponsor: Lyrasis Members and Sloan Foundation



Text Appearing Before Image:
EXPLANATION. Plate 4.- (To face Page 40.) A. Rolling Parapets fixd on Shore for a Battery of 4 Cannon. B. Men rolling Parapets afliore to enlarge the Battery already made, or to make other Batteries further on the Land. C. Floating Batteries, or rolling Parapets, which may be taken afunder and placed on the Land, as A, B. or otherwifci D. Flat-Bottomd Veflels to proted: the Landing, E. Stores upon Floats of rolling Parapets, F. Boats full of Men to be landed in the Face of the Enemy. EXPLANATION. Plate 4.- (To face Page 40.) A. Rolling Parapets fixd on Shore for a Battery of 4 Cannon. B. Men rolling Parapets afhore to enlarge the Battery already made, or to make other Batteries further on the Land. C. Floating Batteries, or rolling Parapets, which may be taken afunder and placed on the Land, as A, B. or otherwifci D. Flat-Bottomd Veflels to proted the Landing, E. Stores upon Floats of rolling Parapets, F. Boats full of Men to be landed in the Face of the Enemy,
Text Appearing After Image:
(41 ) Thicknefs into the outfide of the binding Strokes ;and there muft be as many of thefe Eye-Bolt as willbe thought fufficient to bear the Weight the Shipwill Iwim at -, to each of thefe Eye-Boks fix threeftrong Chains of different Lengths, in Proportionto the Depth of the bhip, and to the Thicknefs ofthe Stratums of Materials that are to be put in tofwim her by ; after which hang thefe Chains per-pendicularly up, and flop them tight fafl -, then clearthe Hold, take out the f umps, and afterwards takein as much clear worked Shingle for Ballafl, withfome Chalk Rubbifh to make it bed folid, to keepout as much Water as polTible, and as will be fuf-ficient to ballaft her, refpeft being had to the Weightof Rigging, Guns, &c. that is to be above Water,after the Ballafl is in, which is to be laid fore andaft clofe down to the Cieling, in (\\c\\ a Manner aswill anfwer her Trim for failing, when flie has Bal-lad fufiicient for Sea; make the Bailaft very fmoothaed level, then cover it al