Exodus 38:30 (KJV)
And therewith he madethe socketsto the doorof the tabernacleof the congregationand the brasen altarand the brasen gratefor it and all the vesselsof the altar
And therewith he madethe socketsto the doorof the tabernacleof the congregationand the brasen altarand the brasen gratefor it and all the vesselsof the altar