1305 Winslow Lewis Magnifying Lens, Lamp and Reflector Patent.pdf
1934 Hemmenway Argand Lamp Patent.pdf
2039 Greenough Lamp Patent.pdf
3518 Farrar Patent - Metalic Reflector.pdf
3692 Hemmenway - Lewis Lamp Patent.pdf
3894 Coston Catoptric Gas Burner Patent.pdf
4454 Wheeler Lighthouse Lamp Patent.pdf
14492 Coates Lamp Patent.pdf
25611 Smith Oxy Hydrogen Light Patent.pdf
28837 Daboll Fog Alarm Patent.pdf
34037 Robinson Ventilator Patent.pdf
35122 Williams Locomotive Lamp Patent
66942 Brown, Felix Siren Patent
93871 Funck Lamp Patent
97772 Hayden shade ring for lamp burners Patent
109303 Doty Lamp Patent
115035 Dennis Lantern Globe Holder Patent
123980 Dennis Lantern Patent
133647 Jackson Lamp Patent
145915 Stewart Improvement in Fog Signals Patent