They may have been brothers, but there was a James earlier in 1845 and before with a gap after - was that the father?
1858 Britton Alfred, gold guard chain mnfr; home ,83. Vvse at
1858 Britton Alfred, gold chain maker 77 Vyse St
1873 Britton Alfred (B. & Sons) ; home 5 Weston ter. Soho hill
1829 Britton James , goldsmith & jeweller 63 Navigation St
1841 Britton James, jeweller 7 Suffolk St
1845 BrittonJames,working jeweller,47 Pershore st. Bromsgrove st
1855 Britton James, jeweller, 91 Hill street
1858 Britton James, watch hand .maker, 91½,Hill. St . home , Longmore at
1862-73 Britton James, fancy guard chain maker, 91,Hill. St . home , Longmore at
1876 Britton James, metal dealer, 22 Railway ter, Vauxhall road: ??? Not same one – called
John in 1878
1873 Britton Samuel (B. and Sons), 73 Vyse street
1876-9 Britton Alfred, (& Samuel) Orchard villas, Erdington
(in 1878 there is also another Alfred living at Victoria Rd)
Haven’t gone after 1879 as only firm is Main one
mike