Reasons humbly offered for to name a certain time of ... months, for to have the master-builders, and other experienced able master-shipwrights, to affirm and settle the suitable proportions of the principal materials used in ships and vessels, that are expresly named and incerted by several particular regulating clauses in their proposal, according to the good-intent and well-meaning of their petitions, and a specimen that is prepared to affirm and settle a general rule, for the more firm and well new-building, rebuilding and repairing and better survey of ships and vessels, viz.