麻烦帮我分析下面两个句子中的成分

麻烦帮我分析下面两个句子中的成分1.There had been dictionaries in the past,the first of these being a little book of some 120 pages,compiled by a certain Robert,published in 1604.这句中,"the first of these being."在句子中充当什么成分?后面的compiled.和published...的都是跟在being后面对吧?2.It is highly appropriate that Dr Johnson,the very model of an 18c century literary man,as famous in his own time as in ous,should have pubulished his Dictionary.这句中,"the very modle of an..."是同位语很好理解,那么"as famous in his ."也是同位语吗?