Zeiss Ikon is a historic German camera manufacturer that was known for producing high-quality cameras and lenses. The company was formed in 1926 through the merger of several smaller camera companies, and it quickly became a leading player in the photography industry. Zeiss Ikon cameras were known for their precision engineering and innovative designs, and they were popular among professional photographers and enthusiasts alike. The company ceased production in the 1970s, but its legacy lives on through the continued popularity of its vintage cameras and lenses among collectors and photographers. **

Zeiss Ikon Telma is a 35mm film camera produced by the German company Zeiss Ikon in the 1950s. It is a rangefinder camera with a fixed lens and a leaf shutter. The Telma is known for its high-quality optics and precision engineering, making it a popular choice among photographers during its time. It is also recognized for its sleek and compact design, making it a versatile and portable camera for capturing images. **

iKON became famous through their participation in the survival show "WIN: Who is Next" in 2013, where they competed against another group to debut under YG Entertainment. After winning the show, they officially debuted in 2015 with the release of their first album "Welcome Back," which gained them a lot of attention. Their unique music style, powerful performances, and strong fanbase helped them rise to fame both in South Korea and internationally. They have since released several successful albums and singles, solidifying their position as one of the top K-Pop groups in the industry. **

The Zeiss Ikon Contaflex 1 III has a known issue with its shutter mechanism. Over time, the shutter blades can become sticky or slow, leading to inconsistent or inaccurate exposure times. This can result in overexposed or underexposed images. Additionally, the shutter may also fail to open or close properly, causing the camera to malfunction. It is recommended to have the shutter mechanism serviced and repaired by a professional technician to ensure the camera functions properly. **

The amount a supermarket earns from groceries can vary widely depending on factors such as the size of the store, location, and customer base. On average, supermarkets typically earn a profit margin of around 1-3% on grocery sales. This means that for every dollar of groceries sold, the supermarket makes a profit of 1-3 cents. However, this can fluctuate based on various factors such as competition, pricing strategies, and operational costs. **

The cheapest discount supermarket for groceries can vary depending on location and specific items. However, some of the well-known discount supermarkets that are generally considered to offer low prices include Aldi, Lidl, and Walmart. These supermarkets are known for their competitive pricing and focus on offering affordable groceries to their customers. It's always a good idea to compare prices and promotions at different discount supermarkets to find the best deals for your specific grocery needs. **

I'm sorry, but as an AI, I do not have physical items such as repair manuals. However, you may be able to find a repair manual for your Zeiss Ikon Perkeo Compact Slide Projector online through websites that specialize in vintage camera equipment or by contacting Zeiss Ikon directly. Additionally, you could try reaching out to camera repair shops or forums for vintage camera enthusiasts for assistance with fixing the stuck slide feed issue. **

You may be able to find a repair manual for your Zeiss Ikon Perkeo Compact Dia Projector by contacting Zeiss Ikon directly or searching online for vintage camera repair manuals. If the slide feed is stuck, it could be due to a mechanical issue or debris blocking the mechanism. Before attempting any repairs, it's recommended to consult a professional camera technician to avoid causing further damage to the projector. **