Pag. 16. lin. 6. _for_ salt, _read_ salt-petre
30. 12. _for_ ising glass, _read_ isinglass
35. 11. _for_ midling, _read_ middling
47. 15. _for_ ballóóns, _read_ ballóón
86. 26. _insert_: to a rocket of eight ounces
twenty-one strokes.
115. 5. _for_ one eighth, _read_ one inch one eighth
152. 24. _for_ griandole, _read_ girandole,
ibid. 25. _for_ griandole, _read_ girandole,
172. 19. _for_ hoops, _read_ hooks,
203. 8. _add_ at I, nine inches from H, fix three pegs.
243. 18. _for_ scrole, _read_ scroll,
A