Proposals for publishing by subscription, A new catadioptrick microscope, excelling all former constructions of that instrument, and by which those experiments of Mr. Leweenhoek (that, from the insufficiency of microscopes hitherto in use, have been much doubted) now are confirmed.
Robertson, William,optician.
[Edinburgh : s.n.,
1745?]
The lower half of the sheet contains a copperplate engraving captioned "Specimens of objects viewed by the said instrument.".
"Subscriptions will be taken in by Mr Robertson, the inventor, at his house near St. John's Cross, Canongate".
ESTC
Crawford, J.L.L. Bibliotheca Lindesiana. Catalogue of English broadsides,
Microscopes
Scotland Edinburgh.