The biography of the Irish telescope-making firm of Thomas and Howard Grubb. The Grubb's were right at the forefront of telescope manufacture in the UK and on two occasions held the record for the highest refractor in existence.
Ian S. Glass Boeken
The biography of the Irish telescope-making firm of Thomas and Howard Grubb. The Grubb's were right at the forefront of telescope manufacture in the UK and on two occasions held the record for the highest refractor in existence.