If this consists of glass, Canada-balsam or marine glue is best.
"Peterborough" canoes are also easily repaired with marine glue or gum.
Cements such as marine glue are solutions of shellac, india-rubber or asphaltum in benzene or naphtha.
If made with marine glue they require more care, but will eat all the crisper.
The Stockholm tar gives the marine glue a permanent softness.
If the commoner sorts of wax are used, some marine glue must be added to it to temper it.
"marine glue" contains no glue; it is made from shellac and rubber mixed with benzene or naphtha.
All the joints and grooves are caulked with marine glue, but no paint should be used in the interior.
These cells are obtained from the opticians, and cemented with varnish or marine glue to an ordinary glass slide.
"Jefferies' marine glue" can be procured at all times, the cost being about sixpence per pound.