Difference between revisions of "Patent for a light projecting apparatus by E. W. Sohlberg (Q31174)"

@@ description / en / description / en @@
+Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control.
@@ Property / Copy available online @@
+https://patents.google.com/patent/US819611A/en
+Normal rank
@@ Property / Publication date @@
+May 1906^GregorianTimestamp +1906-05-01T00:00:00Z
Timezone +00:00
Calendar Gregorian
Precision 1 day
Before 0
After 0
-Timestamp
++1906-05-01T00:00:00Z
-Timezone
++00:00
-Calendar
+Gregorian
-Precision
+day
 Before
 After
@@ Property / Publication date: 1 May 1906^Gregorian / rank @@
+Normal rank
@@ Property / mentions @@
+Remote controlled fixture
@@ Property / mentions: Remote controlled fixture / rank @@
+Normal rank
@@ Property / Canon document public ID @@
@@ Property / Canon document public ID: 1055 / rank @@
+Normal rank
@@ Property / Canon image ID @@
@@ Property / Canon image ID: 2804 / rank @@
+Normal rank

Latest revision as of 15:09, 12 March 2026

Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control.

Language	Label	Description	Also known as
English	Patent for a light projecting apparatus by E. W. Sohlberg	Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control.