of bottles the installation comprises a magazine in which may be housed at least two separate groups of tools which magazine comprises a multitude of presentation units suited to the shapes and dimensions of said tools which presentation units consist of a spindle to accommodate said tools which spindle is of the floating type to give some flexibility and more importantly to engage with said tools not only during the depositing operation but also during the operation of gripping them the magazine is mobile and is mounted on tracks to enable it to move between its inactive position away from the field of action of the bottle handling head and its active position within the said field of action of said head and in particular at the station where the bottles are picked up by said head application_number US 30613807 A description the installation represented in fig1 comprises a conveyor 1 for delivering the bottles 2 to be packed which bottles are separated by channels 3 and they are grouped together at the end of the conveyor 1 by means of a stop 4 which in a certain manner delimits the station 5 where the bottles are picked up on the side of this conveyor 1 for delivering the bottles the.