| Cat.No. | 
										Exhibition | 
										Exhibit Title | 	
										Process | 
								
										| 510 | 
										1861, London, Photographic Society | 
										Trachea of Silk-worm; with Powell & Lealand's '-inch object glass: no eyepiece employed | 
										Collodion | 
									
										| 511 | 
										1861, London, Photographic Society | 
										Acarus-Parasite of Bee; (Xylocopa violacea) with Powell & Lealand's 1/4-inch object glass: no eyepiece employed | 
										Collodion | 
									
										| 528 | 
										1861, London, Photographic Society | 
										Extremity of a Blow-Fly's Tongue. Powell & Lealand's 1/4-inch object glass: No eyepiece employed | 
										Collodion | 
									
										| 529 | 
										1861, London, Photographic Society | 
										Extremity of the Leg of a small Spider. Powell & Lealand's 1/4-inch object glass: No eyepiece employed | 
										Collodion | 
									
										| 545.01 | 
										1862, London, International Exhibition | 
										 Photographs of Microscopic Objects - Foot of Spider. 1/4-inch object-glass; no eye-piece. | 
										Not Listed | 
									
										| 545.02 | 
										1862, London, International Exhibition | 
										Photographs of Microscopic Objects - Tip of Blowfly's Tongue. 1/4-inch object-glass; no eye-piece. | 
										Not Listed | 
									
										| 546.01 | 
										1862, London, International Exhibition | 
										Photographs of Microscopic Objects - Trachea of Silk-worm. 1/4-inch object-glass; no eye-piece. | 
										Not Listed | 
									
										| 546.02 | 
										1862, London, International Exhibition | 
										Photographs of Microscopic Objects - Acarus Parasite of Xylocopa Violacea (Bee).  1/4-inch object-glass; no eye-piece. | 
										Not Listed |