Postal_Guide_1939 — Page 83

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IMPERIAL AND FOREIGN POST

Fatty substances which do not easily liquefy;

silkworm eggs:

Such articles must be enclosed in an inner cover (box, linen or parchment bag, and so on) which must itself be placed in a second box of wood, metal, or stout thick leather.

Glass or other fragile material:

Articles of glass or other fragile material must be securely packed (in a box of metal, wood or strong corrugated cardboard) in such a way as to prevent all risk of injury to other postal packets or

packets or to postal officers.

Liquids, oils or semi-liquids:

These must be enclosed in a receptacle hermetically sealed; and the receptacle must be placed in a special box of metal, strong wood or strong corrugated card- board containing sawdust or spongy material (not cotton) in sufficient quantity to absorb the liquid if the receptacle becomes broken. The lid of the box must be fixed in such a manner that it cannot easily become detached.

Live bees; leeches:

Live bees or leeches must be enclosed in a box so constructed as to avoid all danger and to allow the contents to be ascertained.

Sharp instruments; pieces of metal or ore:

Articles of this description should be packed and guarded in so secure a manner as to involve no risk to the contents of the mail bags or to officers of the Post Office.

Tinned food:

Articles such as tinned food, which would be spoilt if otherwise packed, may be admitted in a cover her- metically sealed. In that case the sender, or the addressee, may be required to assist in the check of the contents.

PERMISSIBLE ADDITIONS

The sender may indicate by hand or by a mechanical process, outside or inside the packet: the name, posi- tion, profession, style and address of the sender and of the addressee; the date of despatch, the signature, telephone number, telegraphic address and code, the