400	THE BOOK OF THE PEARL
	own belongings, but not always with the security of the modern safe-deposit vaults, where the gems are absolutely under the control of the owner, and can frequently be obtained at any hour of the day; or as safely kept as they are when deposited in the safe deposit of the jew­eler, in whose establishment they can be cleaned, repaired, added to, or changed without risking their removal to another building.