post-obit bond: a bond made by a reversioner to secure a loan; payable out of his reversion
bond: a certificate of debt (usually interest-bearing or discounted) that is issued by a government or corporation in order to raise money; the issuer is required to pay a fixed sum annually until maturity and then a fixed sum to repay the principal
safety lamp: an oil lamp that will not ignite flammable gases (methane)