Crandall's Improved Building Blocks for Children No. 3, 1867, Interlocking Pieces, Complete Set friendly viking but to me it appears

but to me it appears as if these were done on the negative rather than on the image itself

)  I could look art these all day--such precision

M & Co stands for Davenport Mallor & Co of  New Haven

but just could not resist this one

Crandall's Improved Building Blocks for Children No. 3, 1867, Interlocking Pieces, Complete Set friendly viking but to me it appearsI have fantasies of a glass fronted book case case filled top to bottom with all the oldest most beautiful block sets and learning materials. At some point (perhaps in my retirement!) I would delve into constructing very elaborate tabletop architectures and exploring the full range of creative possibilities of each set and all together! (And maybe I could find some children who would like to come join me and do the same! :)) In the meantime I would