Many of these images, reprinted from the original glass negatives with unprecedented clarity and detail, will be found in this admirable photographic compendium.

For many years he used glass negatives, until these were succeeded by large-format individual sheets of film, which assured equally high quality - he never moved on to roll film.

There are also 1,797 glass negatives that cover the period between 1909 to 1920.

He took more than 2,000 photos in old style glass negatives, which are still preserved.

In addition, scenes from building demolishing or the step by step reconstruction of older houses are found on the glass negatives.